Simplify: 6a + 4a + 4b + 7
10a +4b+ 7
Which part of the equation y=4x-1 gets graphed first?
-1 or the y-intercept
Write 6.12 x 102 in standard notation
612
Simplify: 2(-x+3) - 7x
-9x+6
What is the name of this formula: y=mx+b?
Slope-Intercept Form
Write 0.00852 in scientific notation
8.52 x 10-3
Molly is 8 years old and has $20 in the bank. She has decided to start a tiny business and will get $10 for every trash can she cleans. Write an equation that represents the story.
y=10x+20
√(27), is it rational or irrational?
√(27)=5.196152....., irrational
Simplify: (t4p2)3
t12p6
For. y=5+3x is (3,7) an ordered pair that works?
No
Write 127,000,000 in scientific notation
1.27 x 108
Solve for x: x/4 + 7 = 3
x = -16
Which of the functions is non-linear:
a) y=x
b) 2x+3y=6
c) x2+y=1
d) y=-5
c) x2+y=1
Simplify: (2x5y7)(8xy3)
16x6y10
If you graph y=4x+3 & y=4x+7, what kind of solution will they have?
No Solution
Simplify: (2.4x104)x(1.2x106)
2.88x1010
Solve: 3+3x-5=x+2(x-1)
Infinitely Many Solutions
What is the rate of change, slope, between these two points: (-2, 5) (6, 3)?
-2/8 or -1/4
Simplify: (-5b4w0y)(3b3wy)
-15b7wy2
For y = 3x, when x =4, what is the ordered pair they intersect at?
(4, 12)
Simplify: (5.2x103)x(8.1x10-2)
4.212x102
Carl makes $8 an hour while Mark makes $10 an hour. If Carl already has $24, how many hours will it take for Mark to have the same amount as Carl?
It will take Carl 12 hours (8x+24=10x)
Two cars leave from the same location at the same time. One travels due north at 25 mph and the other travels due west at 60 miles per hour. How far apart will the cars be after 2 hours?
130 miles