Functions
Roots
Equations & Expressions
Slope
Transformations
100
What is a function?
A set of ordered-pairs in which each each input value corresponds to exactly one output value.
100
What is a cubed root?
Any number multiplied by itself 3 times... Cubed means multiplied by 3.... What number multiplied by itself three times is .......?
100
What is n + 2 = 1/3 (3n + 6)
It has infinitely many solutions!
100
What does the "M" stand for in the fabulously magnificent equation Y=MX+B????
Slope.....Rate of Change.........Unit Rate.......CONSTANT OF PROPORTIONALITY.....
100
What is the procedure for reflecting an image across the y-axis?
Count how many points the original image is away from the y-axis....then count the same points on the other side.
200
What is a linear function?
A function that has a constant rate of change and whose graph is a straight line.
200
What is the cubed root of 125?
5
200
What is the solution to 72x + 7 = 223?
3
200
Show an example of calculating the slope on a coordinate grid....Does your strategy differ when calculating a negative and a positive?
rise/run.....count the increments...The strategy does differ....when calculating a negative slope, when count down.
200
What would an image that has been rotated 180 degrees about the origin look like?
flipped over
300
What is the dependent variable in a function?
y-value
300
What is a perfect cube? Give one example.
To find the cube root of a perfect cube, think about what number, when cubed, will result in that perfect cube.
300
What is 8m - 20 = 36 ?
7
300
How can you tell if part of a graph represents someone or something going very fast????
If the line is STEEP...or has a major SLANT to the line.
300
When you rotate an image on the coordinate grid, is the new image congruent to the original?
YES!
400
Given : y = - 1/2x + 7 Find the output, when the input is -4
9
400
Estimate the value of the cubed root of 500. (between what 2 whole numbers does it go?
between 7 and 8
400
Use the elimination method to solve the following system of equations: 2x - 9y = 18 x + 3y = -21
(-9 , -4)
400
What is the slope of the equation y=2x+5
2/1
400
What is the sign for congruent?
equal sign with a wavy line on top.
500
Is the function y = x3 linear or nonlinear? why?
nonlinear because it has an exponent greater than 1.
500
Is the square root of 16 equivalent to the cubed root of 64?
yes
500
What is 10q - 15 = 5(2q + 4)
It has no solutions.
500
What is the formula to find the slope, when you have 2 ordered pairs?
y2 - y1 divided by x2 - x1
500
Explain how we figure the new coordinates of a figure the has been rotated 90 degrees counter-clockwise?
The new x-value is the opposite of the original y-value. The new y-variable is the original x-value.
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