Graphing
Graph the function:
f(x)=x2
Draw a rough sketch of your graph. Write your solution set as x=__,__
x=0
Solve the equation by factoring.
x2+4x=0
Write your solution set as x=__,__
x=0,-4
Solve the equation using the square root method.
x2-36=0
Write your solution set as x=__,__
x=-6,6
How many solutions does the following equation have?
x2-1=0
2 solutions
How many siblings does Mr. Sirwell have?
2 siblings
Graph the function:
f(x)=(x+1)2-4
Draw a rough sketch of your graph. Write your solution set as x=__,__
x = -3,1
Solve the equation by factoring.
9x2=25
Write your solution set as x=__,__
x=-(5/3),(5/3)
Solve the equation using the square root method.
7x2+8=15
Write your solution set as x=__,__
x=-1,1
Identify the roots of the quadratic equation below.
f(x)=(x+5)(x+6)
Write your solution set as x=__,__
x=-5,-6
When graphing a quadratic equation, where are the solutions/roots/zeros at?
Where the quadratic crosses the x-axis.
Graph the function:
f(x)=-(x+5)2
Draw a rough sketch of your graph. Write your solution set as x=__,__
x=-5
Solve the equation by factoring.
x2-10x=-21
Write your solution set as x=__,__
x=3,7
Solve the equation using the square root method.
9x2+3=111
Write your solution set as x=__,__
x=-2(3)1/2,2(3)1/2
Solve the equation by factoring.
2x2=5x
Write your solution set as x=__,__
x=0,5/2
How many different types of solutions are there when solving quadratics, and what are they?
3 types
2 solutions, 1 solution, and 0 real solutions
Graph the function:
f(x)=-(x+4)2-3
Draw a rough sketch of your graph. Write your solution set as x=__,__
No Real Solutions
Solve the equation by factoring.
x2+11x+29=x+4
Write your solution set as x=__,__
x=-5
Solve the equation using the square root method.
5x2+10=310
Write your solution set as x=__,__
x=-2(15)1/2,2(15)1/2
Solve the equation using the square root method and factoring method.
25x2=4
Write your solution set as x=__,__
x=-2/5,2/5
Two Truths and a Lie. Find the Lie.
1. I have never been out of the country.
2. I have two pet cats named Hershey and Marbles.
3. I do not like watermelon.
1. I have never been out of the country.
Graph the function:
f(x)=-3(x+4)2+3
Draw a rough sketch of your graph. Write your solution set as x=__,__
x=-3,-5
Solve the equation by factoring.
2x2-2x-24
(Hint: Look for a GCF first) Write your solution set as x=__,__
x=-3,4
Solve the equation using the square root method.
8x2-3=597
Write your solution set as x=__,__
x=-5(3)1/2,5(3)1/2
Identify the roots of the equation below.
f(x)=x2-5x+6
x=2,3
Where did Mrs. Poleski go to college at?
IUP