CA Linear Functions

What type of slope does the graph have?

• Zero
• Undefined
• Negative
• Positive

What is the y-intercept in the equation x + 2y = 4

• (0, 0)
• (0, 2)
• (4, 0)
• (2, 0)

Write the equation of a line with a slope of -3 and y intercept of 8

• x = 8
• y = -3
• y = 8x -3
• y = -3x + 8

What is the equation of the line?

• y=3x
• y=3
• x=3
• y=-3

Which equation best represents the relationship between x and y in the table shown?

• y= 5x+5
• y=1/5x+5
• y=15x+5
• y=10x+5

Write the equation of the line in slope-intercept form with slope m = 4 through the point (-2, 5).

• y = 4x - 13

• y = 4x + 13

• y = 4x - 3

• y = 4x + 3

Find the equation of the line that passes through the points:

(-2, 4) and (1, 10)

• y = 2x - 1

• y = -2x + 1

• y = 2x + 8

• y = -2x

A climber is on a hike. After 2 hours he is at an altitude of 400 feet. After 6 hours, he is at an altitude of 700 feet. What is the linear function that would fit this data?

• y=2x+400

• y=1/75x+400

• y=75x+300

• y=75x+250

John is trying to save money this year. When he opened his account he had a balance of $300. By the end of the 12 month time span, John had $1500 in his savings account.  Find the rate of change.  Write an equation in slope-intercept form to model this situation.

• y = 100x - 300
• y = 100x + 300
• y = 1/10x + 300
• y = 1/10x - 300

What is the equation of a line with an undefined slope that goes through point
(-3,5)?

• x = -3
• x = 5
• y = -3
• y = 5