Equations and Functions Review

What does 'b" represent in y=mx+b

• y-intercept

• equation

• nothing

• slope

Which statement best describes "m" in y = mx+b?

• x- intercept

• y - intercept

• slope

• equation

Give the equation for the graph

• y = 5x - 3
• y = 4x + 2
• y =-2x + 5
• y = - 2x + 4

A fitness club opens with 80 members. Each month the membership increases by 15 members. Which equation represents the relationship between the number of months the club has been opened, x, and the total fitness club membership, y?

• y=15x
• y=15x+80
• y=x+15
• y=80x+15

What is the y-intercept of the line graphed below?

• 3

• 4

• -3

• 4/3

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

Find the slope from the table.

• -4
• 1
• 4
• -2

Which is the graph of y= -x + 2?

• A
• B
• C
• D

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