Chapter 10
Precalculus · 623 exercises
Problem 17
(A) sketch the curve represented by the parametric equations (indicate the orientation of the curve) and (b) eliminate the parameter and write the resulting rectangular equation whose graph represents the curve. Adjust the domain of the rectangular equation, if necessary. $$\begin{aligned} &x=t^{3}\\\ &y=t^{2} \end{aligned}$$
3 step solution
Problem 17
Find the standard form of the equation of the parabola with the given characteristic(s) and vertex at the origin. Focus: \(\left(0, \frac{1}{2}\right)\)
3 step solution
Problem 17
Rotate the axes to eliminate the \(x y\) -term in the equation. Then write the equation in standard form. Sketch the graph of the resulting equation, showing both sets of axes. $$5 x^{2}-6 x y+5 y^{2}-12=0$$
4 step solution
Problem 17
Find the standard form of the equation of the ellipse with the given characteristics and center at the origin. Vertices: (±6,0)\(;\) passes through the point (4,1)
3 step solution
Problem 18
Identify the conic and sketch its graph. $$r=\frac{6}{1+\cos \theta}$$
2 step solution
Problem 18
Test for symmetry with respect to the line \(\theta=\pi 2,\) the polar axis, and the pole. $$r^{2}=25 \sin 2 \theta$$
3 step solution
Problem 18
Find the inclination \(\theta\) (in radians and degrees) of the line with slope \(m\). $$m=-2$$
4 step solution
Problem 18
(A) sketch the curve represented by the parametric equations (indicate the orientation of the curve) and (b) eliminate the parameter and write the resulting rectangular equation whose graph represents the curve. Adjust the domain of the rectangular equation, if necessary. $$\begin{aligned} &x=t^{3}\\\ &y=t^{4} \end{aligned}$$
3 step solution
Problem 18
Find the standard form of the equation of the parabola with the given characteristic(s) and vertex at the origin. Focus: \(\left(-\frac{3}{2}, 0\right)\)
3 step solution
Problem 18
Rotate the axes to eliminate the \(x y\) -term in the equation. Then write the equation in standard form. Sketch the graph of the resulting equation, showing both sets of axes. $$2 x^{2}+x y+2 y^{2}-8=0$$
4 step solution
Problem 18
Find the standard form of the equation of the ellipse with the given characteristics and center at the origin. Vertices: (0,±5)\(;\) passes through the point (4,2)
4 step solution
Problem 19
Identify the conic and sketch its graph. $$r=\frac{2}{2-\cos \theta}$$
2 step solution
Problem 19
A point in polar coordinates is given. Convert the point to rectangular coordinates. $$(0, \pi)$$
3 step solution
Problem 19
Find the inclination \(\theta\) (in radians and degrees) of the line with slope \(m\). $$m=1$$
3 step solution
Problem 19
(A) sketch the curve represented by the parametric equations (indicate the orientation of the curve) and (b) eliminate the parameter and write the resulting rectangular equation whose graph represents the curve. Adjust the domain of the rectangular equation, if necessary. $$\begin{aligned} &x=t+1\\\ &y=\frac{t}{t+1} \end{aligned}$$
3 step solution
Problem 19
Find the standard form of the equation of the parabola with the given characteristic(s) and vertex at the origin. Focus: (-2,0)
3 step solution
Problem 19
Rotate the axes to eliminate the \(x y\) -term in the equation. Then write the equation in standard form. Sketch the graph of the resulting equation, showing both sets of axes. $$13 x^{2}+6 \sqrt{3} x y+7 y^{2}-16=0$$
3 step solution
Problem 19
Find the center, vertices, foci, and the equations of the asymptotes of the hyperbola. Then sketch the hyperbola using the asymptotes as an aid. $$x^{2}-y^{2}=1$$
5 step solution
Problem 20
Identify the conic and sketch its graph. $$r=\frac{4}{4+\sin \theta}$$
4 step solution
Problem 20
A point in polar coordinates is given. Convert the point to rectangular coordinates. $$(0,-\pi)$$
3 step solution
Problem 20
Find the inclination \(\theta\) (in radians and degrees) of the line with slope \(m\). $$m=2$$
3 step solution
Problem 20
(A) sketch the curve represented by the parametric equations (indicate the orientation of the curve) and (b) eliminate the parameter and write the resulting rectangular equation whose graph represents the curve. Adjust the domain of the rectangular equation, if necessary. $$\begin{aligned} &x=t-1\\\ &y=\frac{t}{t-1} \end{aligned}$$
3 step solution
Problem 20
Find the standard form of the equation of the parabola with the given characteristic(s) and vertex at the origin. Focus: (0,-2)
3 step solution
Problem 20
Rotate the axes to eliminate the \(x y\) -term in the equation. Then write the equation in standard form. Sketch the graph of the resulting equation, showing both sets of axes. $$7 x^{2}-6 \sqrt{3} x y+13 y^{2}-64=0$$
5 step solution
Problem 20
Find the center, vertices, foci, and the equations of the asymptotes of the hyperbola. Then sketch the hyperbola using the asymptotes as an aid. $$\frac{x^{2}}{9}-\frac{y^{2}}{25}=1$$
5 step solution
Problem 21
Identify the conic and sketch its graph. $$r=\frac{6}{2+\sin \theta}$$
3 step solution
Problem 21
A point in polar coordinates is given. Convert the point to rectangular coordinates. $$(3, \pi / 2)$$
4 step solution
Problem 21
Find the maximum value of \(|r|\) and any zeros of \(r\). $$r=4 \cos 3 \theta$$
3 step solution
Problem 21
Find the inclination \(\theta\) (in radians and degrees) of the line with slope \(m\). $$m=\frac{3}{4}$$
3 step solution
Problem 21
(A) sketch the curve represented by the parametric equations (indicate the orientation of the curve) and (b) eliminate the parameter and write the resulting rectangular equation whose graph represents the curve. Adjust the domain of the rectangular equation, if necessary. $$\begin{aligned} &x=2(t+1)\\\ &y=|t-2| \end{aligned}$$
4 step solution
Problem 21
Find the standard form of the equation of the parabola with the given characteristic(s) and vertex at the origin. Directrix: \(y=1\)
3 step solution
Problem 21
Rotate the axes to eliminate the \(x y\) -term in the equation. Then write the equation in standard form. Sketch the graph of the resulting equation, showing both sets of axes. $$x^{2}+2 x y+y^{2}+\sqrt{2} x-\sqrt{2} y=0$$
4 step solution
Problem 21
Find the center, vertices, foci, and the equations of the asymptotes of the hyperbola. Then sketch the hyperbola using the asymptotes as an aid. $$\frac{y^{2}}{25}-\frac{x^{2}}{81}=1$$
5 step solution
Problem 21
Find the standard form of the equation of the ellipse with the given characteristics. Vertices: (0,2),(8,2)\(;\) minor axis of length 2
3 step solution
Problem 22
Identify the conic and sketch its graph. $$r=\frac{9}{3-2 \cos \theta}$$
4 step solution
Problem 22
A point in polar coordinates is given. Convert the point to rectangular coordinates. $$(3,3 \pi / 2)$$
3 step solution
Problem 22
Find the inclination \(\theta\) (in radians and degrees) of the line with slope \(m\). $$m=\frac{1}{2}$$
2 step solution
Problem 22
(A) sketch the curve represented by the parametric equations (indicate the orientation of the curve) and (b) eliminate the parameter and write the resulting rectangular equation whose graph represents the curve. Adjust the domain of the rectangular equation, if necessary. $$\begin{aligned} &x=|t-1|\\\ &y=t+2 \end{aligned}$$
3 step solution
Problem 22
Find the standard form of the equation of the parabola with the given characteristic(s) and vertex at the origin. Directrix: \(y=-2\)
3 step solution
Problem 22
Rotate the axes to eliminate the \(x y\) -term in the equation. Then write the equation in standard form. Sketch the graph of the resulting equation, showing both sets of axes. $$3 x^{2}-2 \sqrt{3} x y+y^{2}+2 x+2 \sqrt{3} y=0$$
5 step solution
Problem 22
Find the center, vertices, foci, and the equations of the asymptotes of the hyperbola. Then sketch the hyperbola using the asymptotes as an aid. $$\frac{x^{2}}{36}-\frac{y^{2}}{4}=1$$
6 step solution
Problem 22
Find the standard form of the equation of the ellipse with the given characteristics. Vertices: (3,0),(3,10)\(;\) minor axis of length 4
3 step solution
Problem 23
Identify the conic and sketch its graph. $$r=\frac{3}{2+4 \sin \theta}$$
3 step solution
Problem 23
A point in polar coordinates is given. Convert the point to rectangular coordinates. $$(2,3 \pi / 4)$$
5 step solution
Problem 23
Sketch the graph of the polar equation using symmetry, zeros, maximum \(r\) -values, and any other additional points. $$r=4$$
3 step solution
Problem 23
Find the inclination \(\theta\) (in radians and degrees) of the line with slope \(m\). $$m=-\frac{5}{2}$$
3 step solution
Problem 23
(A) sketch the curve represented by the parametric equations (indicate the orientation of the curve) and (b) eliminate the parameter and write the resulting rectangular equation whose graph represents the curve. Adjust the domain of the rectangular equation, if necessary. $$\begin{aligned} &x=4 \cos \theta\\\ &y=2 \sin \theta \end{aligned}$$
4 step solution
Problem 23
Find the standard form of the equation of the parabola with the given characteristic(s) and vertex at the origin. Directrix: \(x=-1\)
3 step solution
Problem 23
Rotate the axes to eliminate the \(x y\) -term in the equation. Then write the equation in standard form. Sketch the graph of the resulting equation, showing both sets of axes. $$9 x^{2}+24 x y+16 y^{2}+90 x-130 y=0$$
4 step solution
Problem 23
Find the center, vertices, foci, and the equations of the asymptotes of the hyperbola. Then sketch the hyperbola using the asymptotes as an aid. $$\frac{y^{2}}{1}-\frac{x^{2}}{4}=1$$
5 step solution