Algebra Terms
What is a variable?
What is the opposite of Addition?
Subtraction
What does this sign mean? >
Greater than
Solve for x.
x + 2 = 10
x = 8
Solve for x.
x + 6 < 12
x < 6
What operation are you performing when you are finding the "quotient"?
division
What is the opposite of subtraction?
Addition
What does this sign mean? <
Less than.
Solve for x.
x - 7 = 6
x = 13
Solve for x.
x - 5.1 > 9
x > 14.1
What is an equation?
A math sentence with an equals sign.
What is the opposite of Division?
Multiplication
Which sign is missing from this inequality?
5 ___ 11
< (less than)
Solve for x.
10x = 100
x = 10
Solve for x.
x + 15 < 12
x < -3
What is an expression?
A term or group of terms connected with addition or subtraction
What is the opposite of Multiplication?
Division
What sign >, <,
>=, or <=
when describing the minimum height required to ride a rollercoaster?
>=
Greater than or equal to.
Solve for x.
x/2 = 7
x = 14
Solve for x.
x + 4 <= 23
x <= 19
What is a coefficient?
The number directly in front of a variable.
or
The number that is being multiplied by the variable.
What is another math word for the "opposite" of a number?
inverse
When graphing the inequality
x >= -3
Would you plot a closed circle or an open circle on -3? Why?
A closed circle because it can also equal -3.
Explain using words what the first step to solving this equation is:
x + 4 = 14
Subtract 4 on both sides of the equation.
Solve for x.
x - 2/3 >= 1/3
x >= 1