8th Grade Math
Solve: 3 + a = 10
a = 7
Operations in math
What is add, subtract, multiply, or divide?
Slope intercept form of a linear equation.
y=mx + b
True or false: This is a function.
y=5/x
What is false.
Solve: 6 = y - 3
y = 9
A relation where every input has exactly one output.
What is a function?
The slope of the line with the points (0,4) and (0,6)
What is undefined
This symbol
pi
is called...
Solve: 4 + 2c = 8
c = 2
(1,2) (2,5) (6,7) (7,2)
Is this a function? Why or why not?
What is yes, because no x values are repeating.
Slope of y=-3/4x + 6
What is m=-3/4
True or false: This is a rational number
square root 34
What is false.
Solve: 15 = 3d-3
d = 6
Decimals that go on forever, but don't repeat.
What is an irrational number
Equation for slope
What is m = (y2 - y1)/(x2 - x1)
Numbers that include radicals that are NOT perfect squares...and pi
What are irrational numbers?
Solve: -3(x+5) = 2x-5
x = -2
A number that can be written as a fraction.
What is a rational number
Is it a positive or negative slope?
What is -1/2; negative.
Find the slope of the line passing through the following points: (-4, 0) and (-3, -2).
What is -2.
What is the name of this set up of graphing?
y=mx+b
What is slope intercept form?