Illustrative Math Algebra Unit 3

Select the points that are on the graph of the line

3x + 5y = 30

• (0,10)

• (1,5)

• (0,6)

• (5, 5/3)

Find the Equation for line red line.

• y = 4

• x = 4

• y = 0

• undefined

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

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• constant function

• identity function

• absolute value function

• piecewise function

• function

• not a function

It is the dependent variable in the linear function.

• x

• y

• m

• b

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)

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