Vocabulary
8.NS, 8.EE, 8.F
8.NS, 8.EE, 8.F
This is a number that CANNOT be expressed as a quotient of two integers, terminating decimal, or repeating.
a). Rational Number
b). Real Number
c). Irrational Number
What is an irrational number?
This is a number that can be expressed as a quotient of two integers, a repeating decimal, or a terminating decimal.
What is a rational number?
These are numbers written in the form n x 10a, where 1 < or equal to n, and n < 10, and a is an integer.
What is scientific notation?
Is a linear function a straight line or a curved line?
Justify your answer.
What is a straight line?
True or false
n-1 = 0
What is false?
This is the unit rate in a proportional relationship.
a). slope
b). y-intercept
c). constant of proportionality
What is the constant of proportionality?
Convert 9/15 to a decimal.
What is 0.6?
Solve: y3=343
What is y?
What is y=7?
The rise/run ratio gives us what information?
a). y-intercept
b). output
c). input
d). slope
What is the slope?
a). Same slope, same y-intercept:
b). Same slope, different y-intercept:
c). Different slopes, same y-intercept:
What are infinitely many solutions, no solution, and one solution?
This is a relationship between an independent variable, x, and a dependent variable, y, where each value of x (input) has one and only one value of y (output).
a). function
b). linear graph
c). slope
What is a function?
Convert 0.68 to a fraction.
What is 17/25?
y=mx+b
Which variable represents the slope?
What is m?
What statement about these equations is true?
Equation A: y = 3x + 4
Equation B: y = 5x + 2
a). Equation A has a greater rate of change
b). Equation A has a greater initial value
c). Equation B has a greater initial value
d). Both equations have the same initial value
What is b, equation a has a greater initial value?
Simplify.
(32 * 42)5
1210
This is a group of two or more linear equations that share two or more variables.
a). x-axis
b). y-axis
c). system of linear equations
What is system of linear equations?
Name the 4 categories of rational numbers.
What are whole numbers, integers, fractions, and decimals?
Write 6.85 x 108 in standard form.
What is 685,000,000?
Find the slope.
(0,40) (100,50) (200,60)
What is 0.1, 1/10, or 10/100?
y = x - 20
x + y = 84
What values for x and y solve both equations?
What are x=52 and y=32?
This is the product of an integer used as a factor 3 times.
a). square root of x
b). perfect cube
c). perfect square
What is a perfect cube?
Rational or irrational?
e
What is irrational?
Solve.
163= 9x - 17 + x.
What is x = 18?
True or False.
A non-linear function can be a proportional relationship.
Why or why not?
Do these equations represent no solution, one solution, or infinitely many solutions?
y + 1 = 1/3x
y = 1/3x
Justify your answer.