Chapter 1: Expression and formulas (page 16)
Evaluate when x = 3, a. x b. 4x c.3x2 + 4x + 1.
The value of the expressions for x=3 are:
(a)9
(b)64
(c)40
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Translate the English phrase into an algebraic expression:
(a) the difference of 14x2and 13
(b) the quotient of 12x and 2
(c) 13 more than z
(d)18 less than 8x
The width of a rectangle is 6 less than the length. Letlrepresent the length of the rectangle. Write an expression
for the width of the rectangle.
Evaluate: when .
In the following exercises, find the prime factorization.
86
In the following exercises, simplify each expression.
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