Graphing Quadratics Review

Write the equation for the axis of symmetry for y = x^2 + 5x + 1

Which function has the same y-intercept as the one in the graph?_ A. y = x^2 - 3x + 2__B. y = -2x^2 + 11x - 8 C. y = 4x^2 + 5x - 9__D. y = -x^2 + 6x - 4

Which function has the same y-intercept as the one in the graph? __ A. y = x^2 - 3x + 2__B. y = -2x^2 + 11x - 1 C. y = 4x^2 + 5x - 9__D. y = -x^2 + 6x - 4

(3i)(-11i)

Which equation matches the graph? A. y = x^2 + 4x + 3__B. y = x^2 - 5x + 3 C. y = x^2 + 3__D. y = x^2 + 5x + 3

The height in feet of a tennis ball thrown from the roof is modeled by the equation f(x) = -16(x - 2)^2 + 45. How many seconds passed before the ball started coming back down??

The height of a hovercraft in meters is modeled by the equation f(x) = -x^2 + 5x + 24, where x is the time in minutes. How long after takeoff did the hovercraft land?

Which equation matches the graph? A. y = x^2 + 4x + 3__B. y = x^2 - 5x + 3 C. y = x^2 + 3__D. y = x^2 + 5x + 3

The height in feet of a tennis ball thrown from the roof is modeled by the equation f(x) = -16x^2 + 20x + 31. How high was the roof?

What is the y-intercept for y = x^2 - 19x + 3

What is the y-intercept for y = -5x^2 + 14x - 47

(-8i)(-2i)

Write the equation for the axis of symmetry for y = x^2 + 1 .

The height in feet of a tennis ball thrown from the roof is modeled by the equation f(x) = -16(x - 2)^2 + 45. What was the highest the ball went?