true or false
functions
multi-step
multi choice
System Of Equations
100
This is a function.
True or false?
true!!
100
Is this relation a function?
(5,7)(7,4)(3,4)(5,8)(6,1)(9,17)(2,6)
No!
100
Solve this equation step by step.
−4(6−y)+4=−4
y= 4
100
Some points of a function are plotted as shown.
Select all of the points that could also be part of this function.
A. (1,3)
B. (4,4)
C. (6,0)
D. (7,2)
E. (9,7)
B. (4,4)
C. (6,0)
D. (7,2)
100
Solve the system of equations using the substitution method.
−3x−2y=−10
x=−2
A. (−2,2)
B. (−2,8)
C. (−2,5)
D. (4,−1)
B. (−2,8)
200
This is a function.
True or False?
False!!
200
Is this relation a function?
(14,17)(22,33)(13,72)(27,17)(17,13)(82,27)(64,27)(77,23)(65,13)(13,22)
No!
200
Solve this equation.
−12x+8+5x=36
x = -4
200
Is the relation shown in the arrow diagram a function?
A. Yes; Each input has only one output.
B. Yes; Each output has only one input.
C. No; Each input has only one output.
D. No; The output 32 has two inputs.
A. Yes; Each input has only one output.
200
Tell whether the equation has one solution, no solution, or an infinite number of solutions.
8+2(x−6)=−2+2x−2
Infinite number of solutions.
300
This is not a function.
True or false?
true!
300
Is this relation a function?
(345,872)(253,743)(872,873)(973,345)(743,923)(736,873)(723,938)(983,723)(674,938)(534,921)(109,928)(726,109)(982,737)
Yes!!
300
Solve this equation.
8x−(6x−4)=10
x = 3
300
How many solutions?
y=3x+10
y=−x+2
A. one solution
B. Infinite solutions
C. No solutions
A. one solution
300
Is ( 1 , 6 ) a solution to this system of equations?
5x+y=11
2x+3y=20
yes!!
400
This is a function.
True or false?
false.
400
Is this relation a function?
(1234,4321)(8473,8349)(9483,3948)(9238,2383)(9328,8534)(8374,9348)(3267,1256)(7463,8574)(8377,8475)(8947,1273)(8321,6743)(8372,9458)(3728,8934)(6732,5261)(9238,5623)
yes
400
Solve this equation.
−2y+4=8y−6
y = 1
400
How many solutions?
y=−x+5
y=−x+5
A. one solution
B. Infinite solutions
C. No solutions
B. Infinite solutions
400
What is the solution to the systems of equations below?
A. (-1, -2)
B. (1, 2)
C. (2, -1)
D. (-2, -1)
C. (2, -1)