Cubes & Squares
The cube root of 729
A. 9
B. 10
C. 12
D. 11
Is x2 - 36 the difference of two squares?
A. yes
B. no
Is x2 + 10x + 25 a perfect square?
A. yes
B. no
What is the formula for the sum of cubes?
A. (a-b)(a2-ab+b2)
B. (a+b)(a2+ab+b2)
C. (a-b)(a2-ab+b2)
D. (a+b)(a2-ab+b2)
Factor x3-64.......
a. (x-4)(x2-4x+16)
b. (x-4)(x2+4x+16)
c. (x-4)(x2+4x-16)
d. (x-4)(x2+4x-16)
The square root of 64.....
A. 16
B. 8
C. 2
D. 4
Is x2 + 25 the difference of two squares?
A. yes
B. no
Is 4x2 + 12x + 36 a perfect square?
A. yes
B. no
Factor the sum of cubes x3+27 .......
a. (x+3)(x2-3x-9)
b. (x-3)(x2-3x-9)
c. (x+3)(x2+3x-9)
d. (x+3)(x2+3x+9)
Factor 8x3-512......
a. (2x-8)(4x2+16x+64)
b. (2x-8)(4x2-16x-64)
c. (2x-5)(2x2+12x-64)
d. (3x-4)(2x+4+10)
The cube root of 1331.......
A. 31
B. 12
C. 11
D. 13
Factor x2 - 100.....
A. (x - 10)2
B. (x - 10)(x + 5)
C. (x - 10)(x + 10)
D. (x + 10)2
Factor 9x2 + 6x + 1......
A. (3x + 1)
B. (3x + 1)2
C. (3x - 1)2
D. (3x + 1)(3x + 6)
Factor using sum of cubes 64+x3.....
a. (4+x)(16+4x+x)
b. (4+x)(20+x)
c. (4+x)(16+4x+x2)
d. (4-x)(16+4x+x2)
Factor 1000x3-1 ......
a. (10x+1)(10x-11x+1)
b. (10x-1)(100x2+10x-1)
c. (10x-1)(100x2-10x+1)
d. (10x-1)(100x2+10x+1)
The square root of 25 + the cube root of 125.....
A. 9
B. 4
C. 8
D. 10
Factor x2 - 81....
A. (x - 9)(x + 9)
B. (x - 12)(x + 12)
C. (x - 9)2
D. (x + 9)2
Factor 9x2 + 30xy + 25y2.......
A. (3x + 5y)(3x - 5y)
B. (3x - 5y)2
C. (3x + y)(3x + 25y)
D. (3x + 5y)2
Factor using sum of cubes 1000x3+ 729.....
a. (10x+9)(100x2+90x+81)
b. (10x-9)(100x2+90x-81)
c. (10x+9)(10x2-19x+81)
d. (10x+9)(10x2+90x+81)
Factor 125x3-8........
a. (5x-2)(25x2-10x-4)
b. (5x+2)(25x2+10x+4)
c. (5x+2)(25x2+10x-4)
d. (5x-2)(25x2+10x+4)
The cube root of 8000 - the cube root of 1.....
A. 39
B. 21
C. 19
D. 20
Simplify (x - 6)(x + 6)....
A. x2 + 12x + 36
B. x2 -12x + 36
C. x2 + 36
D. x2 - 36
Factor 64x3+27y3
a. (4x-3y)(16x2-12xy+9)
b. (4x+3y)(16x2-12xy+9y2)
c. (4x+3y)(16x2+12xy+9y2)
d. (4x+3y)(4x-12xy-9y2)