Chapter 10
Algebra 2 · 332 exercises
Problem 8
Find the distance between each pair of points with the given coordinates. $$ (-4.3,2.6),(6.5,-3.4) $$
4 step solution
Problem 9
Write each equation in standard form. State whether the graph of the equation is a parabola, circle, ellipse, or hyperbola. Then graph the equation. $$ 6 x^{2}+6 y^{2}=162 $$
4 step solution
Problem 9
Find the center and radius of the circle with the given equation. Then graph the circle. $$ (x-4)^{2}+y^{2}=\frac{16}{25} $$
4 step solution
Problem 9
Write each equation in standard form. Identify the vertex, axis of symmetry, and direction of opening of the parabola. $$ y=\frac{1}{2} x^{2}+12 x-8 $$
5 step solution
Problem 9
The map of a mall is overlaid with a numeric grid. The kiosk for the cell phone store is halfway between Terry's Ice Cream and the See Clearly eyeglass store. If the ice cream store is at \((2,4)\) and the eyeglass store is at \((78,46),\) find the distance the kiosk is from the eyeglass store.
4 step solution
Problem 10
Find the exact solution(s) of each system of equations. $$ \begin{array}{l}{x^{2}+y^{2}=36} \\ {y=x+2}\end{array} $$
7 step solution
Problem 10
Write each equation in standard form. State whether the graph of the equation is a parabola, circle, ellipse, or hyperbola. Then graph the equation. $$ 4 x^{2}+2 y^{2}=8 $$
4 step solution
Problem 10
Write each equation in standard form. Identify the vertex, axis of symmetry, and direction of opening of the parabola. $$ x=3 y^{2}+5 y-9 $$
4 step solution
Problem 10
Find the center and radius of the circle with the given equation. Then graph the circle. $$ \left(x+\frac{2}{3}\right)^{2}+\left(y-\frac{1}{2}\right)^{2}=\frac{8}{9} $$
5 step solution
Problem 10
Find the midpoint of the line segment with endpoints at the given coordinates. $$ (8,3),(16,7) $$
5 step solution
Problem 11
Find the exact solution(s) of each system of equations. $$ \begin{array}{l}{y^{2}+x^{2}=9} \\ {y=7-x}\end{array} $$
6 step solution
Problem 11
Write each equation in standard form. State whether the graph of the equation is a parabola, circle, ellipse, or hyperbola. Then graph the equation. $$ x^{2}=8 y $$
3 step solution
Problem 11
Graph each equation. $$ y=-\frac{1}{6} x^{2} $$
7 step solution
Problem 11
Find the center and radius of the circle with the given equation. Then graph the circle. $$ x^{2}+y^{2}+8 x-6 y=0 $$
6 step solution
Problem 11
Find the midpoint of the line segment with endpoints at the given coordinates. $$ (-5,3),(-3,-7) $$
4 step solution
Problem 12
Find the exact solution(s) of each system of equations. $$ \begin{array}{l}{\frac{x^{2}}{30}+\frac{y^{2}}{6}=1} \\ {x=y}\end{array} $$
5 step solution
Problem 12
Write an equation for the hyperbola that satisfies each set of conditions. vertices \((-5,0)\) and \((5,0),\) conjugate axis of length 12 units
5 step solution
Problem 12
Write each equation in standard form. State whether the graph of the equation is a parabola, circle, ellipse, or hyperbola. Then graph the equation. $$ 4 y^{2}-x^{2}+4=0 $$
4 step solution
Problem 12
Graph each equation. $$ x=\frac{1}{2} y^{2} $$
5 step solution
Problem 12
Find the center and radius of the circle with the given equation. Then graph the circle. $$ x^{2}+y^{2}+4 x-8=0 $$
6 step solution
Problem 12
Find the midpoint of the line segment with endpoints at the given coordinates. $$ (6,-5),(-2,-7) $$
5 step solution
Problem 13
Find the exact solution(s) of each system of equations. $$ \begin{array}{l} \frac{x^{2}}{36}-\frac{y^{2}}{4}=1 \\ x=y \end{array} $$
6 step solution
Problem 13
Write an equation for the hyperbola that satisfies each set of conditions. vertices \((0,-4)\) and \((0,4),\) conjugate axis of length 14 units
4 step solution
Problem 13
Write each equation in standard form. State whether the graph of the equation is a parabola, circle, ellipse, or hyperbola. Then graph the equation. $$ (x-1)^{2}-9(y-4)^{2}=36 $$
4 step solution
Problem 13
Graph each equation. $$ y=\frac{1}{3}(x+6)^{2}+3 $$
7 step solution
Problem 13
Write an equation for the ellipse that satisfies each set of conditions. endpoints of major axis at (-11, 5) and (7, 5), endpoints of minor axis at (-2, 9) and (-2, 1)
4 step solution
Problem 13
Find the midpoint of the line segment with endpoints at the given coordinates. $$ (5,9),(12,18) $$
4 step solution
Problem 14
Find the exact solution(s) of each system of equations. $$ \begin{array}{l}{4 x+y^{2}=20} \\ {4 x^{2}+y^{2}=100}\end{array} $$
6 step solution
Problem 14
Write an equation for the hyperbola that satisfies each set of conditions. vertices \((9,-3)\) and \((-5,-3),\) foci \((2 \pm \sqrt{53},-3)\)
6 step solution
Problem 14
Write each equation in standard form. State whether the graph of the equation is a parabola, circle, ellipse, or hyperbola. Then graph the equation. $$ y+4=(x-2)^{2} $$
4 step solution
Problem 14
Graph each equation. $$ y=-\frac{1}{2}(x-1)^{2}+4 $$
6 step solution
Problem 14
Write an equation for the ellipse that satisfies each set of conditions. endpoints of major axis at (2, 12) and (2, -4), endpoints of minor axis at (4, 4) and (0, 4)
4 step solution
Problem 14
GEOMETRY Triangle MNP has vertices \(M(3,5), N(-2,8),\) and \(P(7,-4) .\) Find the coordinates of the midpoint of each side.
4 step solution
Problem 15
Find the exact solution(s) of each system of equations. $$ \begin{array}{l}{y+x^{2}=3} \\ {x^{2}+4 y^{2}=36}\end{array} $$
4 step solution
Problem 15
Write an equation for the hyperbola that satisfies each set of conditions. vertices \((-4,1)\) and \((-4,9),\) foci \((-4,5 \pm \sqrt{97})\)
6 step solution
Problem 15
Write each equation in standard form. State whether the graph of the equation is a parabola, circle, ellipse, or hyperbola. Then graph the equation. $$ (y-4)^{2}=9(x-4) $$
3 step solution
Problem 15
Graph each equation. $$ 4(x-2)=(y+3)^{2} $$
6 step solution
Problem 15
Write an equation for the ellipse that satisfies each set of conditions. major axis 20 units long and parallel to y-axis, minor axis 6 units long, center at (4, 2)
4 step solution
Problem 15
REAL ESTATE In John's town, the numbered streets and avenues form a grid. He belongs to a gym at the corner of 12 th Street and 15 th Avenue, and the deli where he works is at the corner of 4 th Street and 5th Avenue. He wants to rent an apartment halfway between the two. In what area should he look?
4 step solution
Problem 16
Find the exact solution(s) of each system of equations. $$ \begin{array}{l}{x^{2}+y^{2}=64} \\ {x^{2}+64 y^{2}=64}\end{array} $$
6 step solution
Problem 16
Find the coordinates of the vertices and foci and the equations of the asymptotes for the hyperbola with the given equation. Then graph the hyperbola. $$ \frac{x^{2}}{81}-\frac{y^{2}}{49}=1 $$
5 step solution
Problem 16
Write each equation in standard form. State whether the graph of the equation is a parabola, circle, ellipse, or hyperbola. Then graph the equation. $$ x^{2}+y^{2}+4 x-6 y=-4 $$
4 step solution
Problem 16
Graph each equation. $$ (y-8)^{2}=-4(x-4) $$
4 step solution
Problem 16
Write an equation for the circle that satisfies each set of conditions. center \((0,3),\) radius 7 units
4 step solution
Problem 16
At its closest point, Venus is 0.719 astronomical units from the Sun. At its farthest point, Venus is 0.728 astronomical units from the Sun. Write an equation for the orbit of Venus. Assume that the center of the orbit is the origin, the Sun lies on the \(x\)-axis, and the radius of the Sun is 400,000 miles.
6 step solution
Problem 16
Find the distance between each pair of points with the given coordinates. $$ (-4,9),(1,-3) $$
5 step solution
Problem 17
Find the exact solution(s) of each system of equations. $$ \begin{array}{l}{y^{2}+x^{2}=25} \\ {y^{2}+9 x^{2}=25}\end{array} $$
5 step solution
Problem 17
Find the coordinates of the vertices and foci and the equations of the asymptotes for the hyperbola with the given equation. Then graph the hyperbola. $$ \frac{y^{2}}{36}-\frac{x^{2}}{4}=1 $$
6 step solution
Problem 17
Write each equation in standard form. State whether the graph of the equation is a parabola, circle, ellipse, or hyperbola. Then graph the equation. $$ x^{2}+y^{2}+6 y+13=40 $$
3 step solution
Problem 17
Graph each equation. $$ y=x^{2}-12 x+20 $$
5 step solution