1) What is the value of x in the equation, x2 = 9? a) x = 9 b) x = 3 c) x = {0, -3} d) x = {3, -3} e) x = 0 f) x = {0, 3, -3} 2) Find the value of x in the equation, x (x - 8) = 0. a) x = 8 b) x = -8 c) x ={0, 8} d) x = {0, -8} e) x = {8, -8} 3) What are the values of x in the equation, x2 -15x = -54? a) x = {6, 9} b) x = {-6, -9} c) x = {6, -9} d) x = {-6, 9} 4) Which of the following refers to the highest y-value of the quadratic function? a) minimum value b) maximum value c) ordinate d) abscissa 5) What is the discriminant of the equation, x2 + 6x + 9 = 0? a) 1 b) -1 c) 0 d) 3/2 e) -3 f) 2/3 6) How many real solutions are there in the equation, 5a2 + 5a = -2? a) one real solution b) two real solutions c) no real solutions d) cannot be determined 7) Find the vertex of the function, f(x) = 3x2 - 7. a) (0, -7) b) (0, 7) c) (7, 0) d) (-7, 0) e) (0, 3) f) (3, 7)

MATH 9: First Term Test

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