1.A quadratic in one variable is a mathematical sentence of degree ____. a. 1 b. 2 c. 3 d. 4 2.Which of the following is a equation in standard form? a. 5x² + 2x - 6 = 0 b. x² = 5 c. x + 10 = 0 d. x² = - 9x + 2 3.if a = 6 in the quadratic equation (2x - 1) (3x - 1) = 0, what is the value of b? a. 4 b. -2 c. -5 d. 1 4. write the standard form of (x + 2) (x - 2) = 0. a. x² + 4x - 4 = 0 b. x² - 4x - 4 = 0 c. 2x² - 4 = 0 d. x² - 4 = 0 5.in the equation 3x² + 7x - 4 = 0, which is the quadratic term? a. x² b. 7x c. 3x² d. - 4
