Standard Form
Presentation
•
Mathematics
•
8th - 10th Grade
•
Practice Problem
•
Easy
+3
Standards-aligned
Tess Schuck
Used 11+ times
FREE Resource
4 Slides • 11 Questions
1
Standard Form
by Ms. Schuck
2
Multiple Choice
The name of the equation
y=mx+b
is....
Point Slope Form
Slope Intercept Form
Slope
Slope Point Form
3
Multiple Choice
The name of the equation
y-y1 = m(x-x1) is...
Slope Intercept Form
Point Slope Form
Standard Form
Slope
4
Multiple Choice
The name of the equation
Ax + By = C
is...
Slope Intercept Form
Point Slope Form
Slope
Standard Form
5
Poll
How confident are you that you can find the slope when given the equation in point slope form?
I can do it every time!
I can do it most of the time
I can do it sometimes
I only get it right when I guess
6
Multiple Choice
The slope in the equation
y-3 = 2.4(x+2)
is...
-3
2/-3
-3/2
2.4
7
Poll
How confident are you that you can find the slope when given the equation in slope intercept form?
I can do it every time!
I can do it most of the time
I can do it sometimes
I only get it right when I guess
8
Multiple Choice
The slope in the equation
y= -3x+7
is...
-3
7
7/-3
-3/7
9
Open Ended
Austin will buy pizza and soda for a class party. He has 50 dollars to spend. Each pizza is 5 dollars and each soda is 2.
What do you notice? What does this make you think about?
10
Open Ended
Austin will buy pizza and soda for a class party. He has 50 dollars to spend. Each pizza is 5 dollars and each soda is 2.
Write an equation to represent the situation!
11
What should the equation be?
y=mx+b doesn't make sense - we don't have a y-intercept or a slope
y-y1 = m(x-x1) doesn't make sense - we don't have a slope or a point
Ax+By= C works since we know how fast both variables grow and the total cost!
12
Ax + By = C
Austin will buy pizza and soda for a class party. He has 50 dollars to spend. Each pizza is 5 dollars and each soda is 2.
Total: 50 dollars = C
Let x = number of pizzas bought and y = number of soda bought
Pizza is 5 dollars so A =5
Soda is 2 so B = 2
Equation: 2y+5y=50
13
Open Ended
5x+2y=50
How many pizzas can Austin buy if he gets 6 sodas?
14
Think Pair Share
1. How would the equation change if Austin decided he didn't want to buy soda, but instead bought gallons of water for $1 each?
Note: he still has 50 dollars to start and pizza is still $5.
15
Open Ended
How many pizzas and gallons of water should Austin buy for our class?
Why?
Standard Form
by Ms. Schuck
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