Writing Expressions II II
Con il contributo di:
Walsh
- 1. Three times a number decreased by five.
A) 3x + 5
B) 3x - 5
C) 3(5 - x)
D) 3(x - 5)
- 2. Seven times the sum of a number and 2.
A) 7x + 2
B) 7(x + 2)
C) 2(x + 7)
D) 7x - 2
- 3. A number squared decreased by eight.
A) m4 - 8
B) m3 - 8
C) m2 + 8
D) m2 - 8
- 4. Twenty less than the square of a number
A) 20 - n3
B) 2n - 20
C) n2 - 20
D) 20 - n2
- 5. A number cubed decreased by another number squared.
A) x3 - x2
B) 3x - 2y
C) 3x - 2y
D) x3 - y2
- 6. The product of six and a number decreased by 4.
A) 6 + x - 4
B) 6(x + 4)
C) 6x + 4
D) 6x - 4
- 7. A number to the fifth power increased by ten.
A) x5 + 10
B) 5x - 10
C) 5x + 10
D) x5 - 10
- 8. Eight times the difference of two numbers
A) 8(m - n)
B) 8m - n
C) 8(m - 8)
D) (m - n)8
- 9. Five times a number minus the product of a different number and 9.
A) 9x - 5y
B) (5x)(9y)
C) 5x - 9x
D) 5x - 9y
- 10. Four less than 5 times a number cubed
A) 5n3 - 4
B) 4 - 15n
C) 5n3 + 4
D) 4 - 5n3
- 11. Now Your Test is Over Press X
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