Quadratic Expressions - Expanding

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by Dr. Osama M. Khaled last modified 2022-07-19T05:22:52+01:00

Expanding quadratic expressions is very important. It should be very easy as well. Do not be scared. Take the quiz and try it yourself

Questions #: 4
Time:
Pass Score: 80.0%
Style
Mode

Expand (x + 3)(x + 2)

a. 2x2 + 5x + 3

b. x2 + 5x + 6

d. 4x2 + 6x + 6

c. 4x2 + x + 6

POINTS (1)

Correct Answer

Explanation


Expand (x - 7) (6-x)

a.    x+ 13x - 42

b. −x2 + 7x − 42

c. −x2 + 13x − 42

d. −x2 + 13x − 13

POINTS (1)

Correct Answer

Explanation


Expand 3(x + 8) (x + 2)

a - 3x2 + 30x + 16

b - 3x2 + 24x + 48

c - x2 + 30x + 48

d - 3x2 + 30x + 48

POINTS (1)

Correct Answer

Explanation


Expand and simplify

(2x − 5)2

a-  4x2 − 20x + 25

b- 4x2 − 20x + 5

c- x2 − 20x + 25

d- 4x2 − 5x + 25 

POINTS (1)

Correct Answer

Explanation


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