Chapter 3
Introductory Algebra for College Students · 433 exercises
Problem 10
Find the \(x\)-intercept and the \(y\)-intercept of the graph of each equation. Do not graph the equation. \(2 x+6 y=30\)
2 step solution
Problem 10
Find the slope and the \(y\) -intercept of the line with the given equation. $$y=7$$
2 step solution
Problem 11
Graph each inequality. $$x-y<5$$
4 step solution
Problem 11
plot the given point in a rectangular coordinate system. $$(-2,0)$$
3 step solution
Problem 11
Write the point-slope form of the equation of the line satisfying each of the conditions in Exercises. Then use the point-slope form of the equation to write the slope-intercept form of the equation. Slope \(=\frac{1}{2},\) passing through the origin
3 step solution
Problem 11
Find the \(x\)-intercept and the \(y\)-intercept of the graph of each equation. Do not graph the equation. \(2 x-3 y=15\)
2 step solution
Problem 11
Find the slope and the \(y\) -intercept of the line with the given equation. $$y=4-x$$
3 step solution
Problem 12
Graph each inequality. $$x-y<2$$
4 step solution
Problem 12
plot the given point in a rectangular coordinate system. $$(-5,0)$$
3 step solution
Problem 12
Write the point-slope form of the equation of the line satisfying each of the conditions in Exercises. Then use the point-slope form of the equation to write the slope-intercept form of the equation. Slope \(=\frac{1}{3},\) passing through the origin.
2 step solution
Problem 12
Find the \(x\)-intercept and the \(y\)-intercept of the graph of each equation. Do not graph the equation. \(4 x-5 y=10\)
2 step solution
Problem 12
Find the slope and the \(y\) -intercept of the line with the given equation. $$y=5-x$$
2 step solution
Problem 13
Graph each inequality. $$x+2 y>4$$
3 step solution
Problem 13
plot the given point in a rectangular coordinate system. $$(0,2)$$
3 step solution
Problem 13
Write the point-slope form of the equation of the line satisfying each of the conditions in Exercises. Then use the point-slope form of the equation to write the slope-intercept form of the equation. Slope \(=-\frac{2}{3},\) passing through \((6,-2).\)
3 step solution
Problem 13
Find the \(x\)-intercept and the \(y\)-intercept of the graph of each equation. Do not graph the equation. \(-x+3 y=-8\)
2 step solution
Problem 13
Begin by solving the linear equation for \(y .\) This will put the equation in slope-intercept form. Then find the slope and the \(y\) -intercept of the line with this equation. $$-5 x+y=7$$
2 step solution
Problem 14
Graph each inequality. $$2 x+y>6$$
5 step solution
Problem 14
plot the given point in a rectangular coordinate system. $$(0,5)$$
4 step solution
Problem 14
Write the point-slope form of the equation of the line satisfying each of the conditions in Exercises. Then use the point-slope form of the equation to write the slope-intercept form of the equation. Slope \(=-\frac{3}{5},\) passing through \((10,-4)\)
5 step solution
Problem 14
Find the \(x\)-intercept and the \(y\)-intercept of the graph of each equation. Do not graph the equation. \(-x+3 y=-10\)
2 step solution
Problem 14
Begin by solving the linear equation for \(y .\) This will put the equation in slope-intercept form. Then find the slope and the \(y\) -intercept of the line with this equation. $$-9 x+y=5$$
3 step solution
Problem 15
Graph each inequality. $$3 x-y \leq 6$$
3 step solution
Problem 15
plot the given point in a rectangular coordinate system. $$(0,-3)$$
3 step solution
Problem 15
Write the point-slope form of the equation of the line satisfying each of the conditions in Exercises. Then use the point-slope form of the equation to write the slope-intercept form of the equation. Passing through \((1,2)\) and \((5,10)\)
3 step solution
Problem 15
Find the \(x\)-intercept and the \(y\)-intercept of the graph of each equation. Do not graph the equation. \(7 x-9 y=0\)
2 step solution
Problem 15
Begin by solving the linear equation for \(y .\) This will put the equation in slope-intercept form. Then find the slope and the \(y\) -intercept of the line with this equation. $$x+y=6$$
2 step solution
Problem 16
Graph each inequality. $$x-3 y \leq-6$$
3 step solution
Problem 16
plot the given point in a rectangular coordinate system. $$(0,-5)$$
4 step solution
Problem 16
Write the point-slope form of the equation of the line satisfying each of the conditions in Exercises. Then use the point-slope form of the equation to write the slope-intercept form of the equation. Passing through \((3,5)\) and \((8,15)\)
3 step solution
Problem 16
Find the \(x\)-intercept and the \(y\)-intercept of the graph of each equation. Do not graph the equation. \(8 x-11 y=0\)
2 step solution
Problem 16
Begin by solving the linear equation for \(y .\) This will put the equation in slope-intercept form. Then find the slope and the \(y\) -intercept of the line with this equation. $$x+y=8$$
2 step solution
Problem 17
Graph each inequality. $$3 x-2 y \leq 8$$
4 step solution
Problem 17
plot the given point in a rectangular coordinate system. $$\left(\frac{5}{2}, \frac{7}{2}\right)$$
3 step solution
Problem 17
Write the point-slope form of the equation of the line satisfying each of the conditions in Exercises. Then use the point-slope form of the equation to write the slope-intercept form of the equation. Passing through \((-3,0)\) and \((0,3)\)
3 step solution
Problem 17
Find the \(x\)-intercept and the \(y\)-intercept of the graph of each equation. Do not graph the equation. \(2 x=3 y-11\)
2 step solution
Problem 17
Begin by solving the linear equation for \(y .\) This will put the equation in slope-intercept form. Then find the slope and the \(y\) -intercept of the line with this equation. $$6 x+y=0$$
2 step solution
Problem 18
Graph each inequality. $$2 x-3 y \geq 8$$
3 step solution
Problem 18
plot the given point in a rectangular coordinate system. $$\left(\frac{7}{2}, \frac{5}{2}\right)$$
2 step solution
Problem 18
Find the \(x\)-intercept and the \(y\)-intercept of the graph of each equation. Do not graph the equation. \(2 x=4 y-13\)
2 step solution
Problem 18
Write the point-slope form of the equation of the line satisfying each of the conditions in Exercises. Then use the point-slope form of the equation to write the slope-intercept form of the equation. Passing through \((-2,0)\) and \((0,2)\)
3 step solution
Problem 18
Begin by solving the linear equation for \(y .\) This will put the equation in slope-intercept form. Then find the slope and the \(y\) -intercept of the line with this equation. $$8 x+y=0$$
2 step solution
Problem 19
Graph each inequality. $$4 x+3 y>15$$
3 step solution
Problem 19
plot the given point in a rectangular coordinate system. $$\left(-5, \frac{3}{2}\right)$$
3 step solution
Problem 19
Use intercepts and a checkpoint to graph equation. \(x+y=5\)
3 step solution
Problem 19
Write the point-slope form of the equation of the line satisfying each of the conditions in Exercises. Then use the point-slope form of the equation to write the slope-intercept form of the equation. Passing through \((-3,-1)\) and \((2,4)\)
3 step solution
Problem 19
Begin by solving the linear equation for \(y .\) This will put the equation in slope-intercept form. Then find the slope and the \(y\) -intercept of the line with this equation. $$3 y=6 x$$
3 step solution
Problem 20
Graph each inequality. $$5 x+10 y>15$$
3 step solution
Problem 20
plot the given point in a rectangular coordinate system. $$\left(-\frac{9}{2},-4\right)$$
4 step solution
Problem 20
Use intercepts and a checkpoint to graph equation. \(x+y=6\)
4 step solution