Linear Equations
Vocabulary
Solving Equations
Solving Systems
New Vocabulary
100
The 3 in the linear equation: y = 3x + 2
What is the slope?
100
The set of all y's in a function.
What is the range?
100
Solve for x: -3x +7 = 13
What is -2?
100
You would do this to see if (3,2) is a solution of the system x + y = 5 2x - 3y = 1
What is substitution?
100
The set of all x's in a function.
What is the domain?
200
A linear equation with a slope of -2 and y-intercept of 5.
What is y = -2x + 5?
200
(x,y)
What is an ordered pair?
200
Solve for y: 2y + 7y = 18
What is 2?
200
The solution to the system 3x - y = 5 -3x + 2y = -4 is (0,-2) or (2,1) or (3,4)
What is (2,1)?
200
The number you substitute into a function is called the _________ variable.
What is independent?
300
For y = 4x - 2, if x = 3, then y=____.
What is 10?
300
rise/run
What is slope?
300
Solve for a: 4a + 5 = 2a - 7
What is -6?
300
To find the solutions to a system of inequalities, you would look to see where _____.
What is where the shadings cross?
300
The dependent variable is graphed on this axis.
What is the y-axis?
400
x = 7 is a _____________ line.
What is vertical?
400
To find a "sum", you would _________.
What is add?
400
Solve for x: 3(2x - 5) = 27
What is 7?
400
y = 2x + 5 y = 2x - 4 Since the slopes are =, the lines are ________.
What is parallel?
400
When each x is paired with exactly one y.
What is a function?
500
Solve 4x + 2y = 10 for y.
What is y = -2x + 5?
500
To check a solution, you would use _________.
What is substitution?
500
Solve for t: d = rt
What is d/r?
500
-3x + 4y =-7 3x - 2y = 11 If we apply the elimination method to solve the system, the next step would say ______________.
What is 2y = 4?
500
-5 in the expression -5x + 7 is a ________.
What is a coefficient?
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