Expressions
Simplify the following expression:
3x + x - 4
4x - 4
Solve the following equation:
-2x +1 = 7
x = -3
What is the number called that comes directly before the variable? For example, the 4 in the term 4x?
A coefficient
What inequality does this represent?
The car's tank contains no less than 8.5 gallons of gas.
x > or = 8.5
|-12|
12
What is the difference between an expression and an equation?
An equation has an equal sign.
Solve the following equation:
9 - t = -34
43
What is the longest side of a triangle called, otherwise known as side c?
The hypotenuse
Write an inequality for the following:
Seven more than a number is at most 24.
x + 7 < or = 24
3√343
7
Combine like terms in the following expression:
-3(a-2b)-4b
-3a+6b-4b=
-3a+2b
Write this as an equation on a piece of paper and hold it up:
Jeremy has 13 baseball cards, which is 7 more than one-fifth the number, m, that Michael has.
13 = 7 + 1/5m
Is the top left of a coordinate grid named Quadrant I, II, III or IV?
II
Jamie has at most 3 hours to work on a math assignment and a history project. If the math assignment will take 3/4 of an hour, how long will he have to spend on the history project?
180-45=
135 minutes
What property says that you can multiply factors in any order without changing the value of the product?
Commutative Property of Multiplication
Evaluate the following expression:
-4x-6-(-x-3)
-4x-6+x+3=
-3x-3
Solve the following equation:
3/5 (x - 6) = -9
-9
What is the answer to a division problem called?
Quotient
Graph the inequality x < -7
open circle going to the left
What is the greatest common factor of 1 and 7?
1
Factor the expression 2x + 8
so it looks like GCF (_ + _)
(reverse distributive property)
2(x + 4)
Solve the following:
-5 + 17 x 5 + 9 x (-4)
44
What are the first three multiples of 8?
8, 16, 24
Solve the following:
18 > -2/3x
-27 < x or x > -27
symbol is switched when multiplying or dividing by a negative number
Which is less:
the opposite of 9 or the absolute value of 2?
-9