Cumulative Exam — Cumulative exam Answers

The graph of which function has an axis of symmetry at x = ?

Consider the quadratic function. f(p) = p2 – 8p – 5What are the values of the coefficients and the constant in the function?

Which is a zero of the quadratic function f(x) = 4x2 + 24x + 11?

The variables A, B, and C represent polynomials where A = x + 1, B = x2 + 2x − 1, and C = 2x. What is AB + C in simplest form?

What is the midpoint of the x-intercepts off(x) = (x – 4)(x + 4)?

Solve x2 + 12x = –11 by completing the square. Which is the solution set of the equation?

What is the difference of the polynomials?(5x3 + 4x2) – (6x2 – 2x – 9)

Susu is solving the quadratic equation 4x2-8x-13=0 by completing the square. Her first four steps are shown in the table.

Solve x2 + 10x = 24 by completing the square. Which is the solution set of the equation?

What is the coefficient of x after simplifying (−x−5)2?

Which expression is a difference of squares with a factor of 5x − 8?

A perfect square trinomial can be represented by a square model with equivalent length and width. Which polynomial can be represented by a perfect square model?

Which relationships could have a negative correlation? Select three options.number of hours worked and free timespeed of a car and minimum stopping distancethe speed of a train and the length of time to reach the destinationadult’s head circumference and agea tadpole’s age and the length of it’s tail

Which polynomial is prime?

Which polynomial is prime?

The minimum of the graph of a quadratic function is located at (–1, 2). The point (2, 20) is also on the parabola. Which function represents the situation?

Which term can be added to the list so that the greatest common factor of the three terms is 12h3?36h3, 12h6, __________

The tile along the edge of a triangular community pool needs to be replaced.

What is f(x) = 7x2 + 42x written in vertex form?

Simplify the expression –3(x + 3)2 – 3 + 3x. What is the simplified expression in standard form?