Linear Functions
What is slope intercept formula?
y=mx+b
What is 1,00000
1
4x + 9y - 8x + 2y
-4x + 11y
x2=81
x=9 and -9
All the angles in a triangle should add up to what degrees?
180 degrees
Name 2 pairs of inverse operations
Add/Subtract; Multiply/Divide; Square/Square Root; Cube/Cube Root
What is the slope of a line through points (4, 10) and (-2, 8)?
1/3
Write the number below in scientific notation
.000452
4.52 x 10-4
Simplify. -5(3x + 8)
-15x - 40
What is the sum of the exterior angles of a triangle?
360
Solve. -5x - 10 = 20
x = -6
What is another name for slope?
Rate of change, unit rate, m, constant of proportionality
Write 5.76 x 104 in standard form
57,600
What do you call the number attached to a variable?
What is the inverse of squaring?
square rooting
What are the 4 transformations?
Translation, dilation, rotation, reflection
Give an example of an equation with variables and numbers that has infinitly many solutions.
Answers will vary
I pay $50 to rent a car and $1.50 per mile. Write an equation in slope-intercept form to represent this situation.
y = 1.5x + 50
Simplify completely. (x4y3)(x-6y)
y4/x2
Simplify. 4(2x - 3) - 2(5x - 8)
-2x+4
Name 5 Perfect Squares
Answers will vary
See picture
Solve. 3(2x + 1) = 10x - 4x + 2
No Solution
How can you determine if the graph of a line is proportional?
Goes through the origin
Simplify Completely. (a3b7)/(a6b3)
b4/a3
What property says the following: (4)(3) = (3)(4)
Commutative
The volume of a cube is 512. What is the length of a side?
8
What is the length of the hypotenuse when the legs are 10 and 15? You can round if needed
Approximately 18
Solve. 4(6 - 2x) + 2(x - 1) = -2
x = 4