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Mac's Systems Summative REDO

Authored by Wendi Miller

Mathematics

9th - 12th Grade

Used 1+ times

Mac's Systems Summative REDO
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10 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What is the solution to this system of equations?

(4, -1)
(-1, 4)
(-4, 1)
(-4, -1)

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Solve the system of equations.
y = 4x+1
3x + 2y = 13

(1, 5)
(5, 1)
(0.25, 2)

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

One brand of suntan lotion comes in a small size with x ounces of lotion and a regular size with y ounces of lotion.  Given the equations below how can we eliminate the terms with x?
x+2y = 15
2x + y = 19.5

subtract the two equations from each other
multiply the second equation by -1 and add the two equations
multiply first equation by 2, multiply the second equation by 1 then add them
multiply the first equation by -2 then add the equations together 

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

One brand of suntan lotion comes in a small size with x ounces of lotion and a regular size with y ounces of lotion. Two small bottles plus one regular bottle contain 15 ounces of lotion, while one small bottle and two regular bottles contain 19.5 ounces of lotion. How much lotion is contained in the small bottle?

5 ounces
3.5 ounces
8 ounces
6.5

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

David is running a concession stand at a soccer game. He sells nachos and sodas. Nachos cost $1.50 each and sodas cost $0.50 each. At the end of the game, David made a total of $78.50 and sold a total of 87 nachos and sodas combined. Which system of equations represents this situation?

1.5x+0.5y=78.5
x+y=87
1.5x+0.5y=78.5
1.5x+0.5y=87
x+y=78.5
1.5x+0.5y=87
x+y=78.5
x+y=87

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which method would work best for this system?

y-x=12

y=2x

Elimination

Substitution

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the solution to the following system?


4x+y=2

x-y=3

Infinite Solutions

No Solution

(3, 2)

(1, -2)

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