Factor completely. If a polynomial cannot be factored, say it is prime.x3 - 3x2 - 28x
A. x(x2 - 3x - 28)
B. x(x - 7)(x - 4)
C. x(x - 7)(x + 4)
D. x(x + 7)(x + 4)
Answer: C
Mathematics
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A graph of y = f(x) follows. No formula for f is given. Graph the given equation.y = f(2x)
?
A. 
B. 
C. 
D. 
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Write an expression that illustrates the quantity described.The amount of pure antifreeze in a solution of x quarts of 36% antifreeze
A. x quarts B. 36x quarts C. 0.36 quarts D. 0.36x quarts
Mathematics
Find the probability.One digit from the number 7,868,118 is written on each of seven cards. What is the probability of drawing a card that shows 7 or 1?
A. 
B. 
C. 
D. 
Mathematics
Use a calculator to determine whether expression (a) is equivalent to expression (b).
?
?
A. equivalent B. not equivalent
Mathematics