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Use the quadratic formula to solve the equation: 8y^2 + 22y + 15 = 0
-8, 4
(-3/2), (-5/4)
-7, 1
-6 ± √(15)
90 seconds
x^2 - 2x - 15 = 0
An equation that has degree 2
(8, 20)
Find the real solutions by completing the square: z^2 + 12z + 21 = 0
-8, 4
(-3/2), (-5/4)
-7, 1
-6 ± √(15)
90 seconds
x^2 - 2x - 15 = 0
An equation that has degree 2
(8, 20)
Solve x^2 + 6x - 15 = -8 by completing the square.
-8, 4
(-3/2), (-5/4)
-7, 1
-6 ± √(15)
90 seconds
x^2 - 2x - 15 = 0
An equation that has degree 2
(8, 20)
A rocket is shot into the air with an initial velocity of 800 m/sec. The equation h = -16t2 + 1440t models the height of the ball. How long does it take for the rocket to hit the ground (h=0)?
-8, 4
(-3/2), (-5/4)
-7, 1
-6 ± √(15)
90 seconds
x^2 - 2x - 15 = 0
An equation that has degree 2
(8, 20)
Write a quadratic equation in the form ax^2 + bx + c = 0 that has the given numbers as solutions: (5, -3)
-8, 4
(-3/2), (-5/4)
-7, 1
-6 ± √(15)
90 seconds
x^2 - 2x - 15 = 0
An equation that has degree 2
(8, 20)
What is a quadratic equation?
-8, 4
(-3/2), (-5/4)
-7, 1
-6 ± √(15)
90 seconds
x^2 - 2x - 15 = 0
An equation that has degree 2
(8, 20)
Solve x^2 + 4x – 32 = 0
-8, 4
(-3/2), (-5/4)
-7, 1
-6 ± √(15)
90 seconds
x^2 - 2x - 15 = 0
An equation that has degree 2
(8, 20)
Use the square root property to find all real solutions to the equation: (x - 14)^2 = 36
-8, 4
(-3/2), (-5/4)
-7, 1
-6 ± √(15)
90 seconds
x^2 - 2x - 15 = 0
An equation that has degree 2
(8, 20)
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