Illustrative Math Algebra Unit 4

Does this mapping diagram represent a function?

• No, because there are repeating input values

• Yes, because there are no repeating input values

Tags

CCSS.8.F.A.1

What is the solution to this system of equations? (Use the graph to find your answer).

Tags

CCSS.8.EE.C.8B

• constant function

• identity function

• absolute value function

• piecewise function

Tags

CCSS.HSF-IF.C.7D

It is the dependent variable in the linear function.

• x

• y

• m

• b

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

What is the value of y in the solution to this system of equations?

Mathematical Equivalence

ON

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Graph the solution to the system. The first equation has been plotted for you.

y = -3x-3

y= 4x +4

Tags

CCSS.8.EE.C.8B

Write the linear inequality in standard form for this situation: In order to raise money to attend upcoming competitions, the Math Pentathalon team is selling apple cider and hot chocolate. They hope to make at least $240 by selling hot chocolate for $1 a glass and hot apple cider for $2 a glass.

• x + 2y < 240

• x + 2y > 240

• x + 2y ≤ 240

• x + 2y ≥ 240

Which point below is NOT part of the solution set?

• (0, 0)

• (-10, -10)

• (-1, 5)

• (5, 20)

Tags

CCSS.HSA.REI.D.12

Write the linear inequality in standard form for this situation: Ms. Savva is ordering pizzas and breadsticks for a school party and has a budget of no more than $81. An order of breadsticks costs $7 and a pizza costs $13. 

• 7x + 13y < 81

• 7x + 13y ≥ 81

• 7x + 13y ≤ 81

• 7x + 13y > 81

Are the points on the line part of the solution set or not? For example

• Yes, they are part of the solution set

• No, they are NOT part of the solution set

Tags

CCSS.HSA.REI.D.12