North Carolina Math 3 EOC Chapter 5

North Carolina Math 3 EOC Chapter 5 Sample

1 pt
1.

According to the Rational Root Theorem, which of these is a possible rational root of the equation 2x3 + 3x2 - 23x - 12 = 0?

1 pt
2.

To find the roots of the equation x3 - 8x2 - 3x + 90 = 0, all the possible rational roots were tested with the function f(x) = x3 - 8x2 - 3x + 90. Is  x = -3 a root of the equation?

1 pt
5.

What is the solution to the equation x3 + 12x2 - 2x - 24 = 0?

1 pt
6.

The graphs of the functions f(x) = x2 and g(x) = 3x + 28 intersect at the points ( –4, 16) and (7, 49). What is the solution to the equation x2 = 3x + 28?

1 pt
8.

The graph of the function  f(x)= x3+5x2 +2x -8 is shown below. What is the solution to the equation  x3+5x2 +2x -8 = 0?