Vocabulary
The point (0,0) is called the ______________.
Origin
When solving an equation, which should be done first, addition and subtraction, or multiplication and division?
multiplication and division
Evaluate 3 ( x + 5 ) for x = 4
27
6 (-3)
-18
The point (6,5) is located in which quadrant?
I
The whole numbers and their opposites are called ___________________.
integers
Which is simplified first, exponents or parentheses?
parentheses
Evaluate 6 (x - y) for x=5, y=2
18
2 (-2)
-4
The point (3, -6) would fall in which quadrant?
IV
The coordinate plane is divided into four_________.
quadrants
If multiplication and division are both in the expression, which should be solved first?
solve multiplication and division from left to right
Evaluate 3x + 5y for x=4, y=-1
-7
(-9)(-8)
72
The point (-3, -5) falls in which quadrant?
III
A letter that stands for a number in an expression is a ____________________.
variable
Number these in the order that they should be solved.
exponents, multiplication and division, parentheses, addition and subtraction
2, 3, 1, 4
Evaluate 14 (x - 3) + y for x=6 y= 7
49
(-15)(-11)
165
The point (0,-5) falls on which axis, the x axis or the y axis?
The y axis
The distance a number is from zero is called its ________________. It is always positive.
absolute value
What does PEMDAS stand for?
Parentheses, exponents, multiplication and division, addition and subtraction
Evaluate 3x + 2y + 3z for x=1, y=-1, z=-2
-5
6 + -4 + 3(3)
11
The point (-19, 0) falls on which axis?
The x axis.