Factoring
Use the Zero Product Property to solve the following quadratic equation.
(x-7)(x+2)=0
x = 7, x = -2
f(x) = x2 + 2x - 1, Find f(2)
7
f(x)=-x^2+8x-15
2
Solve the following quadratic equation by using square roots:
x2 - 8 = -4
x = 2 x = -2
Solve the following quadratic equation by factoring.
x^2+3x+2=0
x = -2, x = -1
The path of a rocket is model by the function
f(x) = -16t2 + 4.5x + 27
What is the initial height of the rocket?
27
Solve the following quadratic equation by using the quadratic formula:
x^2+6x+5=0
x = -1, x = -5
f(x)=x^2+2x+1
1
Solve the following quadratic equation by using square roots:
x2 -81 = 0
+9 or -9
Solve the following quadratic equation by factoring.
x^2-6x+5=0
x = 5, x = 1
Describe the information given for h(t) given for the height (feet )of a rocket respect to time (minutes).
h(5) = 125
In 5 minutes the rocket will be 125 feet.
Solve the following quadratic equation by using the quadratic formula:
x^2-9x+20=0
x = 5, x = 4
Use A GRAPHING CALCULATOR.
f(x)=5x^2+2x+5
0
Solve the following quadratic equation by using square roots:
4x2= 400
x = 10 x = -10
Solve the following quadratic equation by factoring.
x^2-6x-27=0
x = 9, x = -3
The height of a ball with respect to time is given by
h(t) = t2 - 7t + 10.
When does the ball hit the ground?
t = 2 sec and 5 sec
Solve the following quadratic equation by using the quadratic formula:
2x^2+9x+4=0
x = -1/2, x = -4
Factor or use a graphing calculator.
f(x)=-x^2-4x
2
Solve the following quadratic equation by using square roots:
25x2 - 100 = 0
2, -2
Solve the following quadratic equation by factoring.
(2x - 1)(x - 3) = 0
x = -1/2, x = 3
The height of the object is given by the function
h(t) = t2 - 16.
a. find t when h(t) = 0.
b. Find h(0).
t = 4 sec
h(0) = -16
Find the solution of the quadratic by graphing.
f(x) = 4x2 - 8x + 32
x= -2 and 4
f(x)=5x^2+4x+3
0
Solve the following quadratic equation by using square roots:
x2 - 16/25 = 0
x = 4/5 x = -4/5