Benchmark 3 Review Algebra
description
Transcript of Benchmark 3 Review Algebra
Benchmark 3 ReviewAlgebra
2012-2013
Find the x- and y-intercepts: 4x + 5y = 20
I didn’t try on Benchmark 3, and I turned out fine.
I see how easy Benchmark 3 is if you try real hard!!
€
2−3( )
−2
Cool HaircutCool Haircut
€
Write in slope intercept form :
m =1
4 and b = 7
€
Convert to slope intercept form:
y − 7 = 6(x − 4)
Cool
Haircut
I am Ironman!
€
8x 3 + 5( ) 8x 3 + 5( ) =
€
Factor :
8x 2 − 72
€
Solutions :
4x 2 − 64 = 0
Wanted: New Parents
What is the domain?{(-2,3), (-5,7), (4,8), (6,0)}
€
y = 7 − x
2x − y = 8
⎧ ⎨ ⎩
€
y = 2x +1
y = −3x +1
⎧ ⎨ ⎩
Cool Harc4(2x + 4) – 2x < 46
Write an equation in slope-intercept form that passes through these points. (0,3) and (2,7)
Cool HaircutWhat are the roots?
Cool Haircut
€
Factor :
3x 2 +18x + 24
What is the equation of this graph?
Extra if time permits
What are the roots?
What are the roots?