Quadratics

Front

Equation of the parabola in factored form? Options: y = (x + 2)(x - 1), y = (x - 2)(x + 1), y = (x - 2)(x - 1), y = (x + 2)(x + 1)

Back

y = (x + 2)(x - 1)

Front

What are the roots of the parabola?

Back

x = 0 and 4

Front

Factor: x² – 5x – 24

Back

(x - 8)(x + 3)

Front

Factor: x² + 2x – 3

Back

(x - 1)(x + 3)

Front

Factor: k² -2k - 24

Back

(k + 4)(k - 6)

Front

A quadratic function has zeros at -7 and 9. What are the factors of the function?

Back

(x + 7) and (x - 9)

Front

What is the y-intercept for the quadratic function: y = -8x² + 3x - 7?

Back

(0, -7)

Front

h(t) = -16t² + 140t + 2
What was the starting height of the ball?

Back

2 feet

Front

What is the vertex of the quadratic function: y=2(x - 3)² + 8?

Back

(3, 8)

Front

What does the -3 in the equation y = -3x² - 7x + 8 tell you about the appearance of the graph?

Back

the parabola opens down