One Step Equations
x + 5 = 10
x = 5
-2 + 2x = 20
x = 11
(-9) + 13 = ?
4
Is 0.5 a rational or irrational number?
Rational
In an equation, what is "x" called?
15x = 45
x = 3
-4x - 10 = 34
x = -11
-100 - (-100) = ?
0
True or False. Irrational numbers can be written as a decimal and a fraction.
False. It cannot be written as a fraction.
What is the difference between an expression and an equation?
x/6 = 6
x = 36
4 ( -4x + 4 ) = -64
x = 5
Absolute value of 128.
128
Pi is represented as 3.141592...
Is it rational or irrational?
Irrational
What is absolute value?
The distance a number is away from 0. It is always positive.
5x = 2.5
x = .5
13 + (x/6) = 0
x = -78
(-18)(-20) = ?
360
Decimals that terminate or repeat in a nice pattern are...
Rational
What is an example of a rational number?
(Any real number and/or a decimal that is a terminating or repeating).
-5, 0.678, -1.2, 1/5
x/36 = 36
x = 1296
-7 ( -1 - 4x ) = 203
x = 7
What is -20 divided by 40?
-20/40
It won't be a whole number.
-0.5 or -(1/2)
Rational and irrational numbers can BOTH be...
Possible Answers: 1) Written as a decimal. 2) Real numbers.
The coefficient and variable have a secret _____ sign in between them.
Multiplication