Formulas
Which formula will we use when we see keywords such as diagonal, distance, right triangle, and missing length?
Pythagorean Theorem
What will you do when you see dots scattered on a graph?
Draw a trend-line.
What tool helps us find the algebraic rule for reflections and rotations?
patty paper
What number satisfies the equation: 5x+17=13x-7
How would you identify the y-intercept on a graph?
It's where the graphed line crosses the y-axis.
What does B represent in volume and surface area formulas?
Area of the base
How will you know if a graph represents a proportional relationship?
It will have a straight line crossing through the origin.
How will you know if a dilation got bigger or smaller?
If the scale factor is greater than 1, it's bigger. If the scale factor is less than 1, it's smaller.
When ordering numbers, what tool do I have to use?
Calculator!
When given a graph, how do find slope?
Rise over run
Paul puts $2000 in an account earning 5% interest compounded annually for 3 years. What formula will we use to solve?
Compound Interest
What does the word linear mean?
straight line
What is the algebraic rule for an image translated 3 units right and 2 unis down?
(x,y)---(x+3,y-2)
Taylor bought movie tickets for her and her friends for $7 each. She also bought herself popcorn for $4.75. Jacob bought movie tickets for $8.50 each with a coupon for $6 off. Write an equation to show how many tickets they bought if they spent the same amount of money.
7x+4.75=8x-6
How can you find the slope and y-intercept of a table using the calculator?
Lists & Spreadsheet, Menu, 4, 1, 3
The label on a soup can represents _____________.
Lateral Surface Area
How do you know if a relation is a function?
x-values do not repeat
What is the algebraic rule for a reflection across the x-axis?
(x,y)---(x,-y)
Which number is correctly written in scientific notation?
a) 54.1x103 b) 541x102
c) 5.41x104 d) 0.541x105
C
How do you find the slope of two points?
Ex: (5,4) and (3,2)
1. Slope formula
2. Lists and Spreadsheets
The air inside a beach ball represents _____________.
Volume
How will you know if a graph represents a function?
vertical line test
What is the algebraic rule for a 270 degree clockwise rotation?
(x,y)---(-y,x)
How would you read this inequality?
5>x
Five is greater than x.
What do proportions look like?
two fractions set equal to each other