Functions Part B - Post-Test

At West School, the admission price for the festival is $4.00 with a food ticket price of $1.50 each. At North School, the admission price for their festival is $5.00 with a food ticket price of $2.00 each. Look at the graphs. Which linear function had the lesser rate of change?

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

Which graph below is the graph of a linear function?

Tags

CCSS.8.F.A.3

What is the equation written in slope-intercept form for the line in the graph?

Which statement is false?

• If the y-values decrease as the x-values decrease, the relationship may be linear.

• If the y-values increase, then decrease as the x-values increase, the relationship is not linear.

• If the y-values increase as the x-values decrease, the relationship is always linear.

• If the y-values decrease, then increase as the x-values decrease, the relationship is not linear.

Tags

CCSS.8.F.A.3

Which table does not describe a proportional relationship?

Tags

CCSS.7.RP.A.2B

Gerry rides his scooter home from school. Which equation could relate the number of minutes he has been riding, x, and his distance from home, y?

• y = 0.1x + 15

• y = 0.25x

• y = 0.3x - 6

Tags

CCSS.HSF-BF.A.1A

Write an equation in slope-intercept form for a line that passes through the point (-4, 3) and has a slope of 3?

Mathematical Equivalence

ON

Write an equation in slope-intercept form for a line that passes through the point (4, -2) and has a slope of -2?

Mathematical Equivalence

ON

What is the solution of the system of equations shown?

Tags

CCSS.8.EE.C.8B

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6