Expressions and Equations Slope Systems of Linear equations Functions Random Questions
100
9n+4m-3
Combine the following like terms:
7n+4n-3-2n+m-5m
100
y=2x
https://docs.google.com/presentation/d/11Zw_-T2H-f6bRAnLnWvh2CzlXB6KnCPLLfA6tQWaVCU/edit?usp=sharing
100
21.25=21.25
5x-25=-3x+49
+3x +3x
8x-25=49
+25 +25
8x=74
8 8
x=9.25
Solve for x and y
y=5x-25
y=-3x+49
100
No
Is this a Function?
((1,3),(7,3),(4,2),(1,2))
100
No
Is this a function?
((2,1),(2,2),(2,3),(2,4))
200
-10x-8=12
+10x +10x
-8 =10x+12
-12 -12
-20 = 10x
10 10
-2=x
Solve the following equations:
-10x-8=12
200
y=-2x+3
https://docs.google.com/presentation/d/1TuXbtO0vDsOX2qLPdLKbScUfBry3o8EAqyx07UeaqO0/edit?usp=sharing
200
9=9
-x+5= 4x+25
+x +x
5=5x+25
-25 -25
-20=5x
5 5
-4=x
Solve for x and y
y=-x+5
y=4x+25
200
yes
https://docs.google.com/presentation/d/1KXa0ngppMBE6hjF227i2ZQCTHL_MjTh3GLakdYW7OGc/edit?usp=sharing
200
64
Substitution
3x+5x-2+3-x
300
12b-7b+12=5b-3b+5
5b+12=2b+5
-2b -2b
3b+12=5
-12 -12
3b=-7
3 3
b=-7/3
Variables on both sides
12b-7b+12=5b-3b+5
300
y=3
https://docs.google.com/presentation/d/17nzapDGpArKyvHJKKkBREKxQ3Dm9xrSRz71YvUNwvw0/edit?usp=sharing
300
0=0
-4x-4=2x+2
+4x +4x
-4=6x+2
-2 -2
-6=6x
6 6
-1=x
Solve for x and y
y=2x+2
y=-4x-4
300
yes
Is this a function?
((1,1),(2,2),(3,3),(4,4)
300
-1=-1
-2x-3=3x+2
+2x +2x
-3=5x+2
-2 -2
-5=5x
5 5
-1=x
solve for x and y
y=-2x-3=3x+2
400
4x+-7x² -7+4 if x is -2
4(-2)+-7(-2)²-7+4
-8+-28-3
-39
Substitution
4x+-7x² -7+4 if x is -2
400
x=2
https://docs.google.com/presentation/d/1V0-7wLhxBLbTZJ6UCz1A9lFOLqU0Uh7nJ5rig2uRKfo/edit?usp=sharing
400
-6.33..=-6.3..
-5x-3=-2x-5
+5x +5x
-3=3x-5
+5x +5x
⅔=x
Solve for x and y
y=-5x-3
y=-2x-5
400
no
https://docs.google.com/presentation/d/1u7AmZQCCEXUv8wAxxs4v838sECDYLfXeI5aMx86EFZU/edit?usp=sharing
400
Yes
Is this a function?
((2,4),(3,4),(4,4),(5,4))
500
Answer: Fatima: y=7x
Khadija: y=7x+3
Khadija is going to win because she started farther into the race and they are going at the same pace
Equations word problems
Fatima and Khadija are racing. They are going at the same pace. They want to write an equation using that data. Fatima starts at the start when Khadija starts at 3mi, they are going at 7mph. What is each girl's equation? Who is going to win?
500
y=-x+4
https://docs.google.com/presentation/d/1NOK4JOqwegBR0DPZSSHgEMQ0H4Lrf959w73Vv1s2b68/edit?usp=sharing
500
5x-3=3x-3
-3x=-3x
2x-3=-3
+3 +3
2x=0
2 2
x=0. y=-3
Solve for x and y
y=5x-3
y=3x-3
500
yes
Is this a function?
((7,1),(2,3),(4,3),(1,3))
500
14=14
-x-3=14
+3 +3
-x=17
x =-17
Solve for x
-x-3=14






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