Vocabulary
Graphing Lines
Functions
Systems of Equations
Miscellaneous
100
The "rise over run" of a graph is known as the _________.
Answer: Slope
100
What is the y-intercept of this equation?
y=1/3x-4
Answer: (0, -4)
100
Use the function below to find f(2);
f(x)=10+5x
Answer;
f(2) = 20
100
Name the three methods for solving a system of equations.
Answer;
Graphing, substitution, elimination.
100
When a system has no solution what does that mean about its graph?
A) They are the same line
B) The lines are perpendicular
C) The lines are parallel
D) The lines intersect at a point
E) None of the above
Answer;
C) The lines are parallel
200
What is the slope of this line?
Answer;
Slope:
m=-1/3
200
What is the solution to this system of equations?
Answer;
(-4,-2)
300
Find the slope between the points (-3, 10) and (7, 5).
Answer;
(5-10)/(7-(-3))
m=-1/2
300
Is the following data set a function? Answer with yes or no and WHY.
(8, 4), (-2, 5), (7, 4), (1, 10)
Answer;
Yes, because each input value (x) has only one associated output value (y).
300
Write the inequality represented in this graph;
Answer;
y> -1/2x+1
400
What is the term for where a line crosses the vertical axis on a coordinate plane?
Answer: The y-intercept
400
Write the full equation of the line;
Answer;
y=2x-3
400
Which of the coordinates below would be a solution to this system of inequalities?
(0, 0) (1, -4) (0, 2) (1, 1) (5, -3) (3, 1)
Answer;
(5, -3) is a solution.
500
The four areas of a coordinate plane separated by the x and y axis are called ______________.
Answer: Quadrants
500
Identify the x-intercept of the following equation;
6x-12y=18
Answer;
X-intercept; (3, 0)
500
Using the function below, what does x equal if f(x) equals 5?
f(x)=9x-13
Answer;
x = 2
500
Solve the system of equations using any method;
y=-2x
-3x+5y=-39
Answer;
(3, -6)
500
Write the equation in point-slope form that has a slope of -2 and goes through point (-4, 8).
Answer;
y-8=-2(x+4)