Vocabulary
What are the two axis on a graph? where are they?
x - left to right or side to side or horizontal
y - up and down or vertical
When dividing 2 negatives you get a
Positive
What is the formula for finding the slope?
m = y2 - y1
_______
x2 - x1
When writing a coordinate on a grid (plot) which comes first and which comes second?
X is first
Y is second
Combine like terms
6a + 4a + 4b + 7
10a + 4b + 7
What is a system of equations?
2 or more equations
If I have addition and subtraction in my expression, I should move from
Left to right of the equation
In this formula where is the y intercept?
y = mx + b
b
If I start at (4,5) on a grid and I move 3 spaces to the right and 1 space up, what is my ending position?
(7,6)
Combine like terms
k +3n - 2n + 4k
5k + n
What is the coefficient or where is the coefficient?
2x + 3 = 7
The number associated with the variable
2
Solve
3 + 4 x 5
23
What is the slope of the equation
y = -4x + 12?
-4
For y = 3x when x = 4, what is the ordered pair?
(4,12)
Combine LIKE terms
4(y + 9) - 3y
y - 36
What is or where is the variable?
2x + 3 = 7
x
The letter or letter associated with the coefficient
On a coordinate grid (graph) when I move vertical on the grid, I am moving along the ____ axis
y axis
What is the y-intercept of the equation
y = 5x – 1.5?
-1.5
Yes. If x = 4 and y = 16.
4 = 16/4
4 = 4
Combine LIKE terms and solve for X
x + 3x = 48
x = 12
What is a or the intersection?
Simply, where 2 lines meet.
Do you see a mistake? If so fix it
9 - 3 x 2 = 12
The correct answer is 3. PEMDAS. Multiplication comes first.
The cost to rent a game station at the game store includes an initial fee of
$15.00, plus $4.50 per day. Which equation models the relationship between the
total cost, y, and the number of days, x, that the game system is rented?
A. y = 4.5x - 15
B. y = 15x + 4.5
C. y = 15x - 4.5
D. y = 4.5x + 15
D. y = 4.5x + 15
For y = 5 + 3x is (3,7) and ordered pair?
No. If x =3 and y = 7
7 = 5 + 3(3)
7 = 5 + 9
7 ± 14
Solve for this expression
14a + 4b + 7
Trick question!
It's already in its simplest form.