Zeros & Factors
The three x-intercepts of the function f(x) = x3 - 5x2 - 4x + 20 are
What are {2, -2, 5}?
Express the sum 1/x + 1/y as a single fraction.
What is (y+x)/yx?
According to the Remainder Theorem, what is the remainder when x2 + 8x - 7 is divided by x - 2?
What is 13?
Which power function best describes the end behavior of y = -3x4 + 5x2 + 3x - 1?
What is y = -3x4?
What is the conjugate of the complex number
-12 + 3i?
What is -12 - 3i?
If f(-3) = 0, what specific binomial must be a factor of the polynomial f(x)?
What is (x + 3)?
Simplify the expression (x2 + 4x - 21)/(x2 - 49) to its simplest form.
What is (x-3)/(x-7)?
If (6x-1)/(3x+7) is rewritten as 2 + b/(3x+7), what is the value of b?
What is -15?
Using the point (6, 192), calculate the specific value of the leading coefficient for the graph described in question #6.
What is a = -3?
Find the inverse function for the function f(x) = (x+8)/(2x-1).
What is f-1(x)=(x+8)/(2x-1)