Algebra: Unit 3 Review

Megan is in a pet store where they sell dog toys and cat toys. The dog toys are $6 each, and the cat toys are $3. Let x represent the number of dog toys she can purchase and let y represent the number of cat toys she can purchase if she has $30 to spend in the store.

Reorder the following in standard form

• 8

• 20

• 6

• x +

• y =

Find the slope

( 2, 7) and (-3, 8)

• 5

• -5

• 1/5

• -1/5

Find the slope

( -4, -1) and (-8, -13)

• 3

• -3

• 1/3

• -1/3

Given the graph of g passes through the point (-5,1) and has a slope of -2.

Which form of linear equation would best fit information provided?

• Standard form

• slope-intercept form

• point-slope form

Jackie is at an anime expo where they sell figurines and posters. The figurines are $15 each, and the posters are $5. Let x represent the number of figurines she can purchase and let y represent the number of posters she can purchase. She has $90 to spend in the store.

Reorder the following in standard form

• 5

• x +

• 15

• y =

• 90

Sean tutors math students to earn extra money. After 4 hours of tutoring, he has $90 in his wallet. After 11 hours of tutoring, he has $230 in his pocket. Which equation represents the situation?

• y=22.50x

• y=20x

• y=20x+10

• y=22.50x+10

Sean tutors math students to earn extra money. After 4 hours of tutoring, he has $90 in his wallet. After 11 hours of tutoring, he has $230 in his pocket. What does the y-intercept represent in the situation?

• The total amount of money earned

• The total number of hours worked

• The total amount of money Sean started with

• The total amount of money Sean ended with

Which equation represents the function graphed

• y=-4x

• x=-4

• y=-4

Given the equation 2x+y=7, determine which points are solutions to the equation

• (-1,9)

• ( 3.5 , 0 )

• (12, -21)

• (1, 4)

Given the equation y=3x-2, determine which points are solutions to the equation

• (-5,-17)

• ( 1/3 , -1 )

• (2, 3)

• (1, 4)