Algebra 1B-Solving Quadratic Equations by Factoring: Mastery Test

Solve for x. 2x^2 − 4x = 0

0, 2

Find the polynomial. {-1/3, 4} is the solution set of __________________________

3x^2 - 11x - 4 = 0

Find the solutions of the given equation. 25x^2 + 64 = 289

x = -3, 3

Find the solution(s) for x in the equation below. x(x - 1) = 42

x = 7; x = -6

Three students used factoring to solve a quadratic equation. x^2 + 17x + 72 = 12 Jordan's Solution Keith's Solution Randall's Solution The equation was solved correctly by ______________. The solutions of the equation are ______________.

★Keith's ★-5 and -12