Algebra Chapter 4 Study Guide

• y=4x

Which equation is graphed?

• y-2x=-4

• 2x+y=-4

• 2x+y=4

• y-4=2x

Which is an equation of the line that passes through (4, -5) and (6, -9)?

• y=-2x+3

• y=2x-3

• -2x+3y=24

• 2x-3y=21

• 3x-2y=24

• 3x-2y=-21

Which is an equation of the line with a slope of -3 that passes through (2,4)?

• y-4=-3(x-2)

• y-4=-3x-2

• y+4=-3(x+2)

• y-2=-3(x-4)

What is the equation of the line through (-2, -3) with an undefined slope?

• x=-2

• y=-3

• -2x-3y=0

• -3x+2y=0

Find the slope-intercept form of the equation of the line that passes through (-1, 5) and is parallel to 4x+2y=8.

• y=-2x+9

• y=2x-9

• y=4x-9

• y=-2x+3

If line q has a slope of -2, what is the slope of any line perpendicular to q?

• 2

• -2

The graph of data that has a strong negative correlation has

• a narrow linear pattern from lower left to upper right

• a narrow linear pattern from upper left to lower right

• a narrow horizontal pattern below the x-axis

• all negative x-values

A scatter plot of data comparing the time in minutes Beverly spends studying for her math test and the score she received on teh test contains the ordered pairs (45, 89) and (60, 94). Which is the slope-intercept form of an equation for the line of fit?

• 0.573x+63.2=y

• 3x-46=y