Vocabulary
Define m and b in the equation y=mx+b
What is slope and y-intercept
y=2x+2
y=x-1
(-3,-4)
3y+5x
y=2x
11x
4x = 2y – 5
-4x + 3y = 15
(15/4, 10)
Find the LCM 2 and 3
6
Define x and y in the formula y=mx+b
What is an independent variable(x) and dependent variable(y)
y=3/4x +1
y=-4/3x+1
(0,1)
y=2x-3
y=-3x+5
(8/5, 1/5)
2x – 3y = 4
-4x + 5y = -8
(2, 0)
Find the GCF of 36 and 60
12
write out the slope formula
y2-y1/x2-x1
y=4x+1
y=4x-2
no solution
3x+7=y
-2x+4y=0
(-2.8, -1.4)
Jeff solved the following problem. What was
his mistake?
Find the x value for the solution to the system.
2x – 3y = -9
5x – 6y = -9
---------------------------------
2(2x-3y=-9) --> 4x-6y=-18
5x-6y=-9 --> 5x-6y=-9
----------------
9x=-27 -----> x=3
Jeff should have either multiplied by -2 before adding or
subtracted his new equations to eliminate the y terms.
4/3 + 5/2
23/6
Define/ write out standard form of a linear line
Ax+By=C
9x-3y=15
y=3x-5
infinite solution
x+4y=16
3x+4y=8
(-4,5)
2x + 5y = -11
5y = 3x – 21
(2,-3)
Give 2 mathematical mindsets we have learned throughout the year
Mistakes are valuable.
Depth is more important than speed
How do we find x and y intercepts?
Plug in 0 for y to find the x-intercept
Plug in 0 for x to find the y-intercept
Create a system that has a solution of (0,-1)
Answers may vary but one possible answer is y=x-1
and y=-x-1
165 dogs and humans with a total of 512
legs are registered for a dog-friendly 5K. How
many were dogs and how many were humans?
Write a system of linear equations to help you
solve.
x+y=165
2x+4y=512
x= 74 humans
y= 91 dogs
Your Geometry test has 29 questions. Each
question is either worth 2 points or 5 points, and
all together the test is out of 100 points. How
many 2-point questions are there?
Fifteen 2 point questions
What is one way to prevent the spread of the coronavirus?
Washhands