Quiz about Special Polynomials

Question 1

Multiply (5x-3)(5x+3)

Accepted Answer

25x2-9

Answer

25x²-15x-9

Answer

25x²+15x-9

Answer

25x2+9

Question 2

(y + 2)(y - 2)

Accepted Answer

y2 - 4

Answer

y2 + 4

Answer

y² + 4y - 4

Answer

y² - 4y + 4

Question 3

(c + 9)(c - 9)

Accepted Answer

c2 - 81

Answer

c2 + 81

Answer

c² - 18c - 81

Answer

c² + 18c - 81

Question 4

(a-b)(a+b) = a² + b²

Accepted Answer

False; a² - b²

Answer

True

Answer

False; a² + 2ab + b²

Answer

False; a² -2ab -b²

Question 5

(3x-5)2

Accepted Answer

9x²-30x+25

Answer

9x2+25

Answer

9x2-25

Answer

9x²+15x-25

Question 6

Simplify.
(n + 8)²

Accepted Answer

n² + 16n + 64

Answer

2n + 16n + 64

Answer

n2 + 64

Answer

n² + 8n + 64

Question 7

Find the product:
(5s+2)²

Accepted Answer

25s²+20s+4

Answer

25s2+4

Answer

25s²+10s+4

Answer

5s2+20s+4

Question 8

Find the product:
(10z-3)²

Accepted Answer

100z²-60z+9

Answer

10z²-30z-9

Answer

100z2-9

Answer

10z²-60z+9

Question 9

Find the product:
(m+11)²

Accepted Answer

m²+22m+121

Answer

m²+11m+121

Answer

m²+11m +11

Answer

m²+22m +11

Question 10

The length of a square is x + 2 units. Find the area.

Accepted Answer

x² + 4x + 4 units squared

Answer

4x + 8 units squared

Answer

x² + 4 units squared

Answer

Not enough information

Question 11

Simplify completely. (3a + 4)²

Accepted Answer

9a²+24a+16

Answer

9a²+12a+16

Answer

9a2+12a+8

Answer

9a2+24a+8

Question 12

(a - b)²= a² - b²

Accepted Answer

False; a² -2ab + b²

Answer

True

Answer

False; a² + b²

Answer

False; a² + 2ab + b²

Question 13

(a + b)²= a²+ 2ab + b²

Accepted Answer

True

Answer

False; a²+ b2

Answer

False; a²- 2ab + b²

Answer

False; a²- b²

Question 14

Challenge question!

Find the volume of the rectangular prism.

Accepted Answer

$$x^3+9x^2+18x$$

Answer

$$2x^3+9x^2-18$$

Answer

$$x^3-2x+5$$

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