Unit 3 Part 2 Review Linear Equations and Inequalities

• A

• B

• C

• D

• A

• B

• C

• D

• F

• G

• H

• J

• TRUE

• FALSE

What is the equation in slope-intercept form of the line that passes through the point (-1,0) and is perpendicular to y = 1/3x + 3

• y = 3x + 3

• y = -3x - 3

• y = 1/3x + 1/3

• y = -3x - 1

What is the slope-intercept form of an equation that passes through (5,-2) and has a slope of - 4 ?

• y = - 4x + 18

• y = 1/4x - 13/2

• y = - 4x - 2

• y = 4x - 22

The value of y is directly proportional to the value of x. If y = 70 when x = 280, what is the value of y when x = 140 ?

• 140

• 145

• 45

• 35

What is the slope-intercept form of an equation that passes through (1 , 2) and is parallel to y = x + 3 ?

• y = x - 1

• y = x + 2

• y = -x + 3

• y = x + 1

What is the equation of the line of best fit (Trend Line)?

Round to the nearest tenth (one decimal place).

• y = 0.1x + 5

• y = 1x + 5.3

• y = 0.5x + 5.3

• y = 5.3x + 0.5

Using the trend line y = 0.5x + 5.3, make a prediction of the Total Weight when there are 14 ball bearings.

• 12.2

• 13.3

• 12.3

• 13.2