Quadratics Flashcard

Front

What are the intervals of increase and decrease?

Back

Interval of increase: ( - infinity, 2); Interval of decrease: (2, + infinity)

Front

What are the intervals of increase and decrease?

Back

Interval of increase: ( - Infinity, 0)
Interval of decrease: ( 0, + Infinity)

Front

What are the intervals of increase and decrease?

Back

Interval of increase: (2, +Infinity); Interval of decrease: (-Infinity, 2)

Front

Determine the x-intercepts of f(x) = (x - 4)(x - 12)

Back

(12, 0) and (4, 0)

Front

Determine the x-intercepts of f(x) = (x + 11)(x - 16)

Back

(-11 , 0) and (16 , 0)

Front

Determine the x-intercepts of f(x) = 4(x - 1)(x - 9)

Back

(1, 0) and (9, 0)

Front

Determine the axis of symmetry of the parabola with two symmetric points ( -4 , 8) and ( 2 , 8)

Back

x = -1

Front

Axis of symmetry of parabola with x-intercepts (-5, 0) and (7, 0)

Back

x = 1

Front

Write a quadratic function that represents a parabola that opens downward and has -intercepts (-5 , 0) and (1 , 0).

Back

y = - (x + 5)(x - 1)

Front

Write a quadratic function that represents a parabola that opens upward and has x-intercepts (12, 0) and (4, 0).

Back

y = (x - 12)(x - 4)