WIN Linear Review

Find the slope of the line.

• Undefined
• 0
• 1
• -1

For the straight line y = -2x + 3, what are:

a) the slope

b) the y-intercept?

• a) Slope = 2

  b) y-intercept = -3

• a) Slope = -2

  b) y-intercept = 3

• a) Slope = 3

  b) y-intercept = -2

• a) Slope = -3

  b) y-intercept = 2

What is the y-intercept?

• 7
• 0
• 1
• 2

Which of the following are ways to find the rate of change?

• change in y over change in x
• rise over run
• subtract y coordinates over subtract x coordinates
• all of the above

What is the y-intercept in the following equation:  y=-4x-5

• -4
• -4x
• 5
• -5

Which of these represents slope-intercept form?

• y - y₁ = m(x-x₁)
• Ax + By = C
• y = mx + b

True or false:
The x-intercept of a function ALWAYS occurs where y is equal to zero.

• True
• False

True or false:
The y-intercept of a function ALWAYS occurs where y is equal to zero.

• True
• False

Bob has $150 in his savings account and saves $40 per month.  Which equation represents the amount Bob has in his account after x months?

• y = 150 + 40
• y = 40x + 150
• y = 150x + 40

Jerry has $20 and makes $7 per hour. Which equation represents the total amount of money Jerry has after working x hours?

• y = 7x + 20
• y = 7 + 20x
• y = 20 + 7