Factoring
Use the Zero Product Property to solve the following quadratic equation. (x - 7)(x + 2) = 0
x = 7 x = -2
Solve the following quadratic equation by using square roots:
x2 +8 = 4
no real solution
x + y = 4
x - y = 10
x = 7
y = -3
What is the discriminant if there is only 1 solution?
0
WHEN does the function hit it's maximum? y= -16x2+8x+25
.25 seconds
Solve the following quadratic equation by factoring. x2+3x+2 = 0
x = -2 x = -1
Solve the following quadratic equation by using square roots:
2x2 = 242
+11 or -11
x + y = 2
2x - 4y = 4
x =2
y = 0
Solve the following quadratic equation by using the quadratic formula: x2 + 6x + 5 = 0
x = -1 x = -5
WHAT is the HEIGHT of the function's maximum? y= -16x2+8x+25
26 feet
Solve the following quadratic equation by factoring.
2x2 - 12x + 10 = 0
x = 5 x = 1
Solve the following quadratic equation by using square roots:
4x2 -200 = 200
x = 10 x = -10
What is the growth rate? y = 4(1.06)2
6%
Solve the following quadratic equation by using the quadratic formula: x2 + 4x + 20 = 0
no real solution
When does the ball hit the ground?
y= -16x2+64x+10
4.15 seconds
Solve the following quadratic equation by factoring.
3x2 - 29x - 10 = 0
x = 10 x = -1/3
Solve the following quadratic equation by using square roots:
2(x-5)2 -4 = 94
12 and -2
What is the decay rate? y = 5(0.82)2
18%
Solve the following quadratic equation by using the quadratic formula: 2x2 + 9x + 4 = 0
x = -1/2 x = -4
Who was the 2nd president of the US?
John Adams
Solve the following quadratic equation by factoring.
4x2-10x = 0
x = 0 x = 5/2
Solve the following quadratic equation by using square roots:
4/9(x+1)2 - 4 = 0
x = 2 and x = - 4
Find the y intercept:
y = 2(x-3)2-1
(0,17)
Solve the following quadratic equation by using the quadratic formula: 4x2 - x - 15 = 0
x = 2.065 x = -1.815
How many national parks are in Colorado?
4