Factored Form
What are the zeroes?
f(x) = (x+3)(x-5)
-3 and 5
Solve for the roots.
(x-3)^2=25
-2 and 8
What are the x-intercepts (roots, zeroes)?
x^2-5x-14=0
7 and -2
Solve the following equations by completing the square
x ^2 + 6x + 8 = 0
-2 and -4
What is the solution to the system?
x + 2y = 7
3x - 2y = -11
Solution: (-1, 4)
x = -1, y = 4
What are the zeroes?
g(x)=2(x+4)(x-1)
-4 and 1
Solve for the roots.
x^2-49=0
+7 and -7
What are the zeroes (solutions for x)?
2x^2+2x-12=0
2 and -3
Solve the following equations by completing the square
x ^2 + 14x − 15 = 0
1 and -15
Solve for x.
abs(2x+5)+8=23
-5 and -10
What are the zeroes?
h(x) = (2x-1)(x+4)
1/2 and -4
Solve for the roots.
x^2+16=0
+4i and -4i
What are the x-intercepts (zeroes, roots)?
x^2-4x+4=0
2
Solve the following equations by completing the square
n^ 2 − 2n − 3 = 0
3 and -1
What are the solutions for the following system?
y=-x2 + 5x + 6
y=x + 6
(0, 6) and (4, 10)
What are the zeroes?
h = -(2x-5)(x-8)
8 and 5/2
Solve for the roots.
9x^2 + 5 = 41
-2 and 2
What are the zeroes?
2x^2+3x-20=0
5/2 and -4
Solve the following equations by completing the square
k ^2 − 12k + 23 = 0
6+-\sqrt13
Evaluate f(-3)
f(x)=-x^2+2x-3
f(3)=-(-3)^2+2(-3)-3 = -18
What are the zeroes?
y = 5(3x+2)(x+5)
-2/3 and -5
Solve for the roots.
2x^2-200=0
-10 and 10
What are the zeroes (roots, x-intercepts)?
2x^ 2 − 7x − 13 = −10
(7+-\sqrt73)/4
Solve the following equations by completing the square
p^ 2 + 14 p − 38 = 0
-7 +- \sqrt87
When will the ball hit the ground?
h(t)=-16t^2+46t+6
3 seconds
(-46+-sqrt((46)^2-4(-16)(6)))/(2(-16)