Variables & Expressions
What is another way of saying "5 times 5"
5 multiplied by 5
the product of 5 and 5
Which property is being used below:
5 - 3(10)
5 - 30
Substitution Property
James is building a space shuttle. How accurate does he need to be with his measurements?
VERY accurate
Which is tied to the x-values: domain or range?
domain
How do you know if a line is increasing, decreasing, or leveling off?
Look at the arrows at the end of the line(s)
How would you write: 10 less than the product of 7 and f
7f - 10
Which property is being used below:
4 + (-4) = 0
Additive Inverse
Jenny is measuring a football field. Which of the measurements listed should she use: 1 foot, 1 inch, or 1/16 inch?
1 foot
When trying to identify if a relation is a function or not, which element do we look at: domain or range?
domain (each input can only have one output)
What is the name of the place where a line touches the x or y axis?
intercept(s)
Write the verbal expression for this algebraic expression:
r4 / 9
r to the fourth power divided by 9
Name the missing property:
2(3) + (4 x 2 - 8)
2(3) + (8 - 8) Substitution
2(3) + 0 Additive Inverse
6 + 0 Substitution
6 _____________
Additive Identity
A table has measurements given in both inches, feet, and meters. Which is more accurate?
Inches
Are the coordinates below a function or not?
(-3,0) (-2,3) (1,-2) (5,3)
Yes, this is a function. Each input has only one output.
Draw a nonlinear function.
A non-straight line that passes the vertical line test.
Write an algebraic expression for this verbal expression:
two fifths of the square of a number, j
2/5j2
Give an example the Multiplicative Property of Zero
anything x 0 = 0
Jordan has $40 to share with himself and his 5 siblings. He types 40 divided by 6 into a calculator and it reads 6.66666667. Where should Jordan round?
$6.66 (with 4 cents leftover)
What is the range of graph #8, found here: https://drive.google.com/file/d/1HGCM0CAqMPkmLTTVPhhS95MdRkaXqcU8/view?usp=drive_link
(-7, 0, 1, 5, 7)
What is the "line of symmetry"?
The line down the middle of a u-shape function, that divides the shape in half where each side matches the other
Mr. Bailey purchased some groceries that cost d dollars. He paid with a $50 bill. Write an expression for the amount of change he will receive.
50 - d
Which property is being used below:
5 x 1/5
Multiplicative Inverse
This question requires a calculator:
Amanda is applying for a home loan. Her monthly expenses are $1025, her monthly income is $3390. Her debt-to-income ratio needs to be less than or equal to 0.28 to get the loan. Will she be approved?
No, her debt-to-income ratio is 0.30, which is greater than 0.28.
Is graph #7 a function or not? https://drive.google.com/file/d/1hCUmlLBkMBcGwyTMVG2qkoSa2PArCQ4r/view?usp=drive_link
NOT a function, it does not pass the vertical line test.
This question requires a 4-quadrant coordinate plane to draw your answer:
Draw a line that is nonlinear, the axis of symmetry is -1, the x-intercepts are -3 and 1, and the y-intercept is 3.