GCF
Find the GCF of 56 and 16
Factor: x2+10x+25
(x+5)(x+5)
Solve for X
(x+1)(x-5)=0
x=-1, 5
A Parabola (Or a U shape)
What is the only fruit with seeds on the outside instead of inside?
Strawberries
Find the GCF of 12x2 and 18x
x2+14x+45
(x+5)(x+9) or (x+9)(x+5)
Solve for x:
x2+3x+2=0
x=-1, -2
Sarah solves a quadratic equations and finds that x=3 and x=-5. Where will these points show up on her graph?
On the x-axis (x-intercepts, roots, zeroes)
How many weeks are there in a year?
52
Find the Factored Form: 5x2−7x
x(5x-7)
Factor: x2−11x+30
(x-5)(x-6)
Solve for n
n2+7n+15 = 5
n=-5, -2
What are all three words for where a graph touches the x-axis?
Roots, zeroes, x-intercepts
What US President is on a $1 bill?
George Washington
Factor: 63x-9
9(7x-1)
Factor: x2-36
(x-6)(x+6)
Solve for x:
x2-81=0
x=9, -9
How can you tell from an equation that it is quadratic?
What is the word we use for a group of crows?
A Murder of Crows
Factor Out the GCF: 5x3+10x2+20x
5x(x2+2x+4)
Find the factored form: x2-4x-10=2
(x-6)(x+2)
Solve for x:
x2+5x+6=2
x=-1, -4
Which of these situations is best represented by a quadratic equation?
a) A child's height in inches over time
b) The height of a basketball being shot into a hoop over time
c) The amount of money earned per hour at a job
b) The height of a basketball being shot into a hoop over time
What is the state flower of NY?
Wild Rose