Quiz about Unit 7 Review

Question 1

Is (-3, -2) a solution to this system?

Accepted Answer

Yes

Answer

No

Question 2

Solve the system.

Accepted Answer

(-4, 3)

Answer

(4, -3)

Answer

(-3, 4)

Answer

(3, -4)

Question 3

What is the solution to the system?

Accepted Answer

(2, -1)

Answer

(1.3, 0)

Answer

(3, 0)

Answer

(3, -3)

Question 4

Find the solution to the system.

Accepted Answer

(0, -1)

Answer

(6, 0)

Answer

(1, -1)

Answer

No Solution

Question 5

Find the solution to the system.

Accepted Answer

Infinitely Many Solutions

Answer

No Solution

Answer

(0, 0)

Answer

(-8, 16)

Question 6

Find the solution to the system.

Accepted Answer

(6, 1)

Answer

No Solution

Answer

(1, -3)

Answer

(6, -3)

Question 7

Find the solution to the system.

Accepted Answer

No Solution

Answer

(0, 0)

Answer

(12, 6)

Answer

Infinitely Many Solutions

Question 8

Is (-1, -10) a solution to the inequality?

Accepted Answer

No

Answer

Yes

Question 9

Is (2, -1) a solution to the system?

Accepted Answer

No

Answer

Yes

Question 10

Graph the system.

Accepted Answer

Option D is correct

Answer

A.

Answer

B.

Answer

C.

Question 11

Find the solution to the system.

Accepted Answer

No Solution

Answer

(0, 1)

Answer

(-2, 1)

Answer

Infinitely Many Solutions

Question 12

A radio station is giving away tickets to a concert. There are $10 tickets and $20 tickets. They want to give away at least 20 tickets but want to spend at most $280.

Let x = the number of $10 tickets

Let y = the number of $20 tickets

Which system of inequalities models the situation?

Accepted Answer

x + y $$\ge$$ 20
10x + 20y $$\le$$ 280

Answer

x - y $$\ge$$ 20
20x + 10y $$\le$$ 280

Answer

x + y $$\ge$$ 280
10x + 20y $$\le$$ 20

Answer

x + y $$<$$ 20
10x + 20y $$>$$ 280

Question 13

Joe bought 2 pairs of jeans and 1 shirt for $120. Sam bought 1 pair of jeans and 3 shirts for $135. What are the two unknowns in this problem?

Accepted Answer

the price of a shirt and a pair of jeans

Answer

the number of pair of jeans and shirts

Answer

the total price Sam and Joe paid

Answer

the total number of shirts and jeans that Sam and Joe brought

Question 14

If a system of equations has no solution, what does the graph look like?

Accepted Answer

parallel lines

Answer

intersecting lines

Answer

skew lines

Answer

intersecting lines

Question 15

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

Accepted Answer

Yes, they are part of the solution set

Answer

No, they are NOT part of the solution set

Question 16

What is the solution to this equation?

Accepted Answer

no solution

Answer

one solution

Answer

infinite solutions

Answer

none of these

Question 17

x = x

Accepted Answer

Infinite Solutions

Answer

No Solution

Answer

One Solution

Answer

Beyond Solutions

Unit 7 Review

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