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Mathematics
8th -
12thgrade
Algebraic Expressions and Add, Subtract, Multiply Polynomials
12 questions
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- 1. Multiple Choice
Simplify:
(2x + 8) - 3(x - 2)
x + 2
-x + 14
6x2 + 16
-x + 10
- 2. Multiple Choice
Jesus is twice as old as John.
If x represents John's age, which expression represents
how old Jesus is in six years?
n2 + 6
2n - 6
n + 6
2n + 6
- 3. Multiple Choice
Find the perimeter of the figure.
14x + 10
6x + 22
13x + 10
6x + 16
- 4. Multiple Choice
Simplify
(2x + 1)(x - 5)
3x - 4
2x2 - 6x - 4
2x2 - 9x - 5
3x2 - 10 - 5
- 5. Multiple Choice
The length of a rectangle is four more than the width. The width is x.
Find the area of the rectangle.
4x
x2 + 4x
4x + 8
x2 + 4
- 6. Multiple Choice
Which of the following
expressions has 3 terms?
2x2 - 9x + 2
3x2y
2x3 - 4
3x3y3
- 7. Multiple Choice
Simplify:
-4x(3x2 - 2x + 1)
-12x2 + 8x - 4
-12x3 -2x + 1
-12x3 - 8x2 +4x
-12x3 + 8x2 - 4x
- 8. Multiple Choice
Find the perimeter of the rectangle
6x + 11
8x + 24
12x + 22
8x2 + 28x + 24
- 9. Multiple Choice
Heather has $50 buy her family dinner. She buys 5 burgers that cost m dollars each and 4 fries that cost n dollars each. How much money does she have left?
50 + 5m + 4n
50 - 5m - 4n
50 + (5m)(4n)
50 - (5m)(4n)
- 10. Multiple Choice
Simplify:
(3x - 5)2
6x - 10
9x + 25
9x2 - 30x + 25
9x2 - 225x + 25
- 11. Multiple Choice
A rental car company charges $150 to rent a car for the week plus $5 for each mile over 100 that the renter travels. If n represents the number of miles traveled and
C represents the total cost,
then the cost is C = 150 + 5(n - 100).
Which expression below is equivalent?
5n + 50
5n + 250
5n + 650
5n - 350
- 12. Multiple Choice
Simplify:
(3x2 + 2x - 4) - (5x2 + 6x + 2) + (4x2 - x + 1)
2x2 - 5x - 5
2x2 - 4x - 5
6x2 - 4x - 1
12x2 + 9x + 7
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