FCMS Pre-Algebra Review Quiz 2

Lydia graphs how much money she earns for walking different number of dogs. She draws a line through the data and sees that it passes through the ordered pairs ( 2, 5) and ( 5, 12.50), where x is the number of dogs and y is her earnings in dollars. Which is the best description of the slope of the linear relationship?

• Lydia earns $2.50 per dog.

• It takes Lydia 2.5 hours to earn $10.

• Lydia earns $0 for walking 0 dogs.

• Lydia earns $5 for walking 2 dogs

The equation y=25x+175 represents Jamal's savings,(y), after making regular deposits for x weeks. What does the y-intercept represent?

• the number of weeks

• the total amount saved

• the starting balance

• the amount saved per week

Which ordered pair represents a solution to the system of equations?

y = 2X+1

y= -x+7

• ( 3, 7)

• ( 2, 5)

• ( 4, 3)

• ( 1, 6)

Consider the system of equations below. Is ( 2,3) a solution to the system of equations?

y= -1/2x +4

y = 3x-3

• yes

• no

Select the ordered pair that is a solution to the system of equations.

y = -x+5

y = 4x-20

• ( -1, 6)

• ( 7, 8)

• ( 3, -5)

• ( 5, 0)

Select the ordered pair that is a solution to the system of equations.

y = -1/4x - 1

y = -5/2x + 8

• ( -4, 0)

• ( 4, -2)

• ( 2, 3)

• ( 0, -1)

Which ordered pair represents a solution to the system of equations?

y = x + 2

y = 2x - 1

• ( 3, 5 )

• ( 1, 3 )

• ( 0, -1)

• ( -6, -4)

Which ordered pair is a solution to the system of equations?

y = 2x + 9

y = -3/2x + 2

• ( -3, 0 )

• ( 0, 9)

• ( -2, 5)

• ( -4, 8)

Select the ordered pair that is a solution to the system of equations.

y -2x + 1

y = -3x + 4

• ( 0, 1 )

• ( 2, -3 )

• ( 3, -5 )

• ( -1, 7 )

Select the ordered pairs is a solution to the system of equations.

• ( -3, 0)

• ( 3, 0)

• ( 0, -3)

• ( 0, 3)