1. What is the missing factor in the sentence, 12b⁵ = (6a³) ( )?
a. 6a
b. 6a²
c. 2a
d. 2a²
А A
2. Which of the following is the expanded form of the expression 7³?
a. 7 x 7x7
b. 3x3x3x3x3x3x3
c. 7x3
d. 3 x 7
3.Simplify: (3a)(2a²)(5a³).
a. 10a⁵
b. 10a⁶
c. 30a⁵
d. 30a⁶
4. If 4x² - 3x + 5 is multiplied by 4, what is the product?
a. 16x - 12x + 20
c. 16x - 12x - 20
B. 16x² - 12x + 20
d. 16x² -12x - 20
5. Divide 28x² + 36x - 16 by 4, what is the quotient?
a.7x² + 9x -4
c. 7x² - 9x-4
b. 7x + 9x -4
d. 7x - 9x - 4
6. Evaluate: 5x (2x - 7).
a. 10x - 35
b. 10x²+ 35
c. 10x² - 35
d. 10x²- 15
7. Find the product of (5x-7)(4x + 3).
A.20x² - 28x + 15x - 21
B. 20x² + 28x + 15x - 21
c. 20x² + 43x-21
d. 20x² - 13x - 21
8. What is the quotient of 15x8 - 60x3 - 80 is divided by 5?
A.X² - 12x²- 16
c. X² - 12x² + 16
B. X+ 12x² - 16
d. X - 12x² - 16
9. Multiply: 5b (b4-6b3 + 3b-4)
A. 5b² - 30b⁴ + 15b² - 20 b
B. 5b⁴ - 30b⁴+ 15b²-20 b
c. 5b⁵-30b⁵+ 15b²-20 b
d. 5b⁴ - 30b⁴ + 15b²-20 b
10. Find the product. (x-2)(x+2).
a. X-4
b. x +4
c. x²- 4
d. x² + 4​