Classify each equation as linear or quadratic.-9 = (8x - 4)(x + 7)
A. Quadratic
B. Linear
Answer: A
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Solve the problem.Tom is going to build a fence around his garden which is a rectangle measuring 
by 
He will first put in posts which will be 4 m apart. If the posts cost $2 each, what will be the total cost for all the posts?
A. $16 B. $28 C. $32 D. $24
Simplify by factoring. Assume that any variable in a radicand represents a positive real number.
A. 
B. x7
C. 
D. x2
Solve the problem.The first recorded population of a particular country was 23 million, and the population was recorded as 28 million 8 years later. Write an exponential growth function that describes the population of this country, in millions, t years after the first recorded population.
A. A =23e0.201t B. A =23e0.035t C. A =23e0.025t D. A =23e0.808t
Simplify the expression. Assume that all variables represent nonnegative real numbers.4
- 
+ x
A. 
(-2x2 + 3x + 6y)
B. 
(-3x2 + 2x + 4y)
C. 
(3x2 - 2x + 4y)
D. 
(2x2 - 3x + 6y)