Functions
Slope
Graphing Method
Substitution Method
Elimination Method
100
Which set of ordered pairs represents a function?
A. {(-4, -6), (-4, -8), (0, -3), (7, 3)}
B. {(−2,1),(−3,9),(−3,−6),(8,−4)}
C. {(8,−8),(9,2),(−8,−4),(9,−9)}
D. {(−9,0),(0,0),(−5,−2),(9,2)}
What is D.
{(−9,0),(0,0),(−5,−2),(9,2)}
100
Put the following equation of a line into slope-intercept form, simplifying all fractions.
12y-15x=84
what is
y=5/4x+7
100
Determine if the following system of equations has no solutions, infinitely many solutions or exactly one solution.
{(5x,+3y,=-5),(-5x,-3y,=5):}
what is
oo
Infinitely Many Solutions
100
Find the solution of the systems of equations using the substitution method
{(y,=2x,-6),(y,=-x,+0):}
what is
(2,-2)
100
A variable needs to be eliminated to solve the system of equations below. Choose the correct first step.
{(-5x,+5y,=,30),(5x,+6y,=,-19):}
A. Subtract to eliminate x
B. Add to eliminate x
C. Subtract to eliminate y
D. Add to eliminate y
what is
B. Add to eliminate x
200
Determine whether the following graph represents a function.
Yes, this graph is a function.
200
Graph the following features:
Y-Intercept = 1
Slope = 4/5
what is
200
Solve the system of equations graphed on the coordinate axes below.
{(y,=-(1/2)x,-3),(y,=(3/2)x,
+1):}
what is exactly one solution
(-2,-2)
200
Find the solution of the systems of equations using the substitution method
{(-3y,=x,+0),(-8x,+2y,=26):}
what is
(-3,1)
200
Find the solution of the systems of equations using the elimination method
{(9x,+2y,=,-38),(9x,+10y,=,26):}
what is
(-6,8)
300
What is the domain of the function shown in the graph below?
Domain: [4,8]
300
Graph the following equation:
y=-2/3x-1
what is
300
Solve the following system of equations graphically on the set of axes below: GRAPH ON THE BOARD then state the solution
{(y,=(3/2)x,-7),(y,=-x,+3):}
what is exactly one solution
(4,-1)
300
Find the solution of the systems of equations using the substitution method
{(-y,=x,+0),(-3x,+3y,=-36):}
what is
(6,-6)
300
Find the solution of the systems of equations using the elimination method
{(-2x,+y,=,0),(10x,+7y,=,48):}
what is
(2,4)
400
What is the range?
(-oo, oo)
400
What is the slope of the line that passes through the points (−6,5) and (−3,20)? Write your answer in simplest form.
what is m=5
400
Solve the following system of equations graphically on the set of axes below: GRAPH ON THE BOARD then state the solution
{(y,=x,-1),(x,+2y,=4):}
what is exactly one solution
(2,1)
400
Find the solution of the systems of equations using the substitution method
{(-7x,-5y,=36),(x,=2y,+3):}
what is
(-3,-3)
400
Find the solution of the systems of equations using the elimination method
{(-x,-2y,=,4),(2x,+8y,=,-28):}
what is
(6,-5)
500
Find the value of f(2) from the graph
What is (2, -7)
500
Write the equation of the line that passes through the points (-4,5)and (2,-4). Put your answer in fully simplified point-slope form, unless it is a vertical or horizontal line.
what is
y-5=-3/2(x+4)
500
Solve the following system of equations graphically on the set of axes below: GRAPH ON THE BOARD then state the solution
{(y,=2x,-5),(x,+2y,=10):}
what is exactly one solution
(4,3)
500
Find the solution of the systems of equations using the substitution method
{(6y,-7,=x),(3x,-8y,=31):}
what is
(-13,-1)
500
Find the solution of the systems of equations using the elimination method
{(-x,-8y,=,49),(-x,-2y,=,7):}
what is
(7,-7)