Quiz about Unit 3 Test: Systems of Equations

Question 1

Which equation correctly describes the graph?

Accepted Answer

$$y=\frac{2}{3}x+25$$

Accepted Answer

$$y=\frac{50}{3}x+25$$

Answer

$$y=3x+25$$

Answer

$$y=50x+25$$

Question 2

How many solutions does the equation have?

(HINT: Distribute FIRST!)

Accepted Answer

D. infinitely many solutions

Answer

A. no solution

Answer

B. one solution

Answer

C. two solutions

Question 3

Which system of equations correctly describes YUKI's photos?

Accepted Answer

$$p=60w+20$$

Answer

$$p=20w+20$$

Answer

$$p=35w+110$$

Answer

$$p=60w+35$$

Question 4

Which system of equations correctly describes ROMAN's photos?

Accepted Answer

$$p=35w+110$$

Answer

$$p=60w+35$$

Answer

$$p=110w+35$$

Answer

$$p=110w+20$$

Question 5

Solve for x and y in the system of equations.

What is the the solution?

Accepted Answer

$$x=2$$

$$y=8$$

Answer

$$x=2$$

$$y=20$$

Answer

$$x=10$$

$$y=-8$$

Answer

$$x=4$$

$$y=8$$

Question 6

TRUE or FALSE:

The lines do not intersect, so there is no solution.

Accepted Answer

True

Answer

False

Question 7

TRUE or FALSE:

The slopes of the two lines are the same.

Accepted Answer

TRUE

Answer

FALSE

Question 8

TRUE or FALSE:

There are infinitely many solutions to the system of equations.

Accepted Answer

FALSE

Answer

TRUE

Question 9

TRUE or FALSE:

The lines are parallel, so the system has no solution.

Accepted Answer

TRUE

Answer

FALSE

Question 10

Decide if the equation has no, one, or inifite solutions:

$$7x-3=4x+3$$

Accepted Answer

one solution

Answer

no solution

Answer

infinitely many solutions

Question 11

Decide if the equation has no, one, or inifite solutions:

$$6x+2=6x+2$$

Accepted Answer

infinitely many solutions

Answer

no solution

Answer

one solution

Question 12

Decide if the equation has no, one, or inifite solutions:

$$4x-5=4x+5$$

Accepted Answer

no solution

Answer

one solution

Answer

infinitely many solutions

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