Chapter 8
College Algebra · 401 exercises
Problem 19
For the following exercises, rewrite the given equation in standard form, and then determine the vertex \((V),\) focus \((F),\) and directrix \((d)\) of the parabola. $$ (y-4)^{2}=2(x+3) $$
5 step solution
Problem 19
For the following exercises, write the equation for the hyperbola in standard form if it is not already, and identify the vertices and foci, and write equations of asymptotes. $$ -9 x^{2}-54 x+9 y^{2}-54 y+81=0 $$
8 step solution
Problem 19
For the following exercises, find a new representation of the given equation after rotating through the given angle. $$4 x^{2}-x y+4 y^{2}-2=0, \theta=45^{\circ}$$
5 step solution
Problem 19
Write the equation for the hyperbola in standard form if it is not already, and identify the vertices and foci, and write equations of asymptotes. \(-9 x^{2}-54 x+9 y^{2}-54 y+81=0\)
7 step solution
Problem 20
For the following exercises, convert the polar equation of a conic section to a rectangular equation. $$ r=\frac{8}{3-2 \cos \theta} $$
9 step solution
Problem 20
Convert the polar equation of a conic section to a rectangular equation. $$ r=\frac{8}{3-2 \cos \theta} $$
6 step solution
Problem 20
For the following exercises, write the equation of an ellipse in standard form, and identify the end points of the major and minor axes as well as the foci. $$ 9 x^{2}-54 x+9 y^{2}-54 y+81=0 $$
7 step solution
Problem 20
For the following exercises, rewrite the given equation in standard form, and then determine the vertex \((V),\) focus \((F),\) and directrix \((d)\) of the parabola. $$ (x+1)^{2}=2(y+4) $$
5 step solution
Problem 20
For the following exercises, write the equation for the hyperbola in standard form if it is not already, and identify the vertices and foci, and write equations of asymptotes. $$ 4 x^{2}-24 x-36 y^{2}-360 y+864=0 $$
6 step solution
Problem 20
For the following exercises, find a new representation of the given equation after rotating through the given angle. $$2 x^{2}+8 x y-1=0, \theta=30^{\circ}$$
5 step solution
Problem 20
Write the equation for the hyperbola in standard form if it is not already, and identify the vertices and foci, and write equations of asymptotes. \(4 x^{2}-24 x-36 y^{2}-360 y+864=0\)
7 step solution
Problem 21
For the following exercises, convert the polar equation of a conic section to a rectangular equation. $$ r=\frac{3}{2+5 \cos \theta} $$
6 step solution
Problem 21
Convert the polar equation of a conic section to a rectangular equation. $$ r=\frac{3}{2+5 \cos \theta} $$
5 step solution
Problem 21
For the following exercises, write the equation of an ellipse in standard form, and identify the end points of the major and minor axes as well as the foci. $$ 4 x^{2}-24 x+36 y^{2}-360 y+864=0 $$
6 step solution
Problem 21
For the following exercises, rewrite the given equation in standard form, and then determine the vertex \((V),\) focus \((F),\) and directrix \((d)\) of the parabola. $$ (x+4)^{2}=24(y+1) $$
6 step solution
Problem 21
For the following exercises, write the equation for the hyperbola in standard form if it is not already, and identify the vertices and foci, and write equations of asymptotes. $$ -4 x^{2}+24 x+16 y^{2}-128 y+156=0 $$
6 step solution
Problem 21
For the following exercises, find a new representation of the given equation after rotating through the given angle. $$-2 x^{2}+8 x y+1=0, \theta=45^{\circ}$$
5 step solution
Problem 21
Write the equation for the hyperbola in standard form if it is not already, and identify the vertices and foci, and write equations of asymptotes. \(-4 x^{2}+24 x+16 y^{2}-128 y+156=0\)
8 step solution
Problem 22
For the following exercises, identify the conic with a focus at the origin, and then give the directrix and eccentricity. $$ r=\frac{4}{2+2 \sin \theta} $$
4 step solution
Problem 22
For the following exercises, convert the polar equation of a conic section to a rectangular equation. $$ r=\frac{4}{2+2 \sin \theta} $$
6 step solution
Problem 22
Convert the polar equation of a conic section to a rectangular equation. $$ r=\frac{4}{2+2 \sin \theta} $$
5 step solution
Problem 22
For the following exercises, write the equation of an ellipse in standard form, and identify the end points of the major and minor axes as well as the foci. $$ 4 x^{2}+24 x+16 y^{2}-128 y+228=0 $$
6 step solution
Problem 22
For the following exercises, write the equation for the hyperbola in standard form if it is not already, and identify the vertices and foci, and write equations of asymptotes. $$ -4 x^{2}+40 x+25 y^{2}-100 y+100=0 $$
7 step solution
Problem 22
For the following exercises, find a new representation of the given equation after rotating through the given angle. $$4 x^{2}+\sqrt{2} x y+4 y^{2}+y+2=0, \theta=45^{\circ}$$
5 step solution
Problem 22
For the following exercises, rewrite the given equation in standard form, and then determine the vertex \((V)\), focus \((F)\), and directrix \((d)\) of the parabola. $$(y+4)^{2}=16(x+4)$$
6 step solution
Problem 22
Write the equation for the hyperbola in standard form if it is not already, and identify the vertices and foci, and write equations of asymptotes. \(-4 x^{2}+40 x+25 y^{2}-100 y+100=0\)
6 step solution
Problem 23
For the following exercises, identify the conic with a focus at the origin, and then give the directrix and eccentricity. $$ r=\frac{3}{8-8 \cos \theta} $$
4 step solution
Problem 23
For the following exercises, convert the polar equation of a conic section to a rectangular equation. $$ r=\frac{3}{8-8 \cos \theta} $$
5 step solution
Problem 23
Convert the polar equation of a conic section to a rectangular equation. $$ r=\frac{3}{8-8 \cos \theta} $$
6 step solution
Problem 23
For the following exercises, write the equation of an ellipse in standard form, and identify the end points of the major and minor axes as well as the foci. $$ 4 x^{2}+40 x+25 y^{2}-100 y+100=0 $$
7 step solution
Problem 23
For the following exercises, rewrite the given equation in standard form, and then determine the vertex \((V),\) focus \((F),\) and directrix \((d)\) of the parabola. $$ y^{2}+12 x-6 y+21=0 $$
4 step solution
Problem 23
For the following exercises, write the equation for the hyperbola in standard form if it is not already, and identify the vertices and foci, and write equations of asymptotes. $$ x^{2}+2 x-100 y^{2}-1000 y+2401=0 $$
8 step solution
Problem 23
Write the equation for the hyperbola in standard form if it is not already, and identify the vertices and foci, and write equations of asymptotes. \(x^{2}+2 x-100 y^{2}-1000 y+2401=0\)
6 step solution
Problem 24
For the following exercises, identify the conic with a focus at the origin, and then give the directrix and eccentricity. $$ r=\frac{2}{6+7 \cos \theta} $$
4 step solution
Problem 24
For the following exercises, convert the polar equation of a conic section to a rectangular equation. $$ r=\frac{2}{6+7 \cos \theta} $$
5 step solution
Problem 24
Convert the polar equation of a conic section to a rectangular equation. $$ r=\frac{2}{6+7 \cos \theta} $$
6 step solution
Problem 24
For the following exercises, rewrite the given equation in standard form, and then determine the vertex \((V),\) focus \((F),\) and directrix \((d)\) of the parabola. $$ x^{2}-4 x-24 y+28=0 $$
6 step solution
Problem 24
For the following exercises, write the equation of an ellipse in standard form, and identify the end points of the major and minor axes as well as the foci. $$ x^{2}+2 x+100 y^{2}-1000 y+2401=0 $$
6 step solution
Problem 24
For the following exercises, write the equation for the hyperbola in standard form if it is not already, and identify the vertices and foci, and write equations of asymptotes. $$ -9 x^{2}+72 x+16 y^{2}+16 y+4=0 $$
6 step solution
Problem 24
Write the equation for the hyperbola in standard form if it is not already, and identify the vertices and foci, and write equations of asymptotes. \(-9 x^{2}+72 x+16 y^{2}+16 y+4=0\)
6 step solution
Problem 25
For the following exercises, identify the conic with a focus at the origin, and then give the directrix and eccentricity. $$ r=\frac{5}{5-11 \sin \theta} $$
4 step solution
Problem 25
For the following exercises, convert the polar equation of a conic section to a rectangular equation. $$ r=\frac{5}{5-11 \sin \theta} $$
8 step solution
Problem 25
Convert the polar equation of a conic section to a rectangular equation. $$ r=\frac{5}{5-11 \sin \theta} $$
6 step solution
Problem 25
For the following exercises, write the equation of an ellipse in standard form, and identify the end points of the major and minor axes as well as the foci. $$ 4 x^{2}+24 x+25 y^{2}+200 y+336=0 $$
7 step solution
Problem 25
For the following exercises, rewrite the given equation in standard form, and then determine the vertex \((V),\) focus \((F),\) and directrix \((d)\) of the parabola. $$ 5 x^{2}-50 x-4 y+113=0 $$
6 step solution
Problem 25
For the following exercises, write the equation for the hyperbola in standard form if it is not already, and identify the vertices and foci, and write equations of asymptotes. $$ 4 x^{2}+24 x-25 y^{2}+200 y-464=0 $$
9 step solution
Problem 25
Write the equation for the hyperbola in standard form if it is not already, and identify the vertices and foci, and write equations of asymptotes. \(4 x^{2}+24 x-25 y^{2}+200 y-464=0\)
9 step solution
Problem 26
For the following exercises, identify the conic with a focus at the origin, and then give the directrix and eccentricity. $$ r(5+2 \cos \theta)=6 $$
3 step solution
Problem 26
For the following exercises, convert the polar equation of a conic section to a rectangular equation. $$ r(5+2 \cos \theta)=6 $$
8 step solution
Problem 26
Convert the polar equation of a conic section to a rectangular equation. $$ r(5+2 \cos \theta)=6 $$
8 step solution