Show:
Powers, exponents, and order of operations
Variables & Expressions
Functions
PSI and Area
Equations
100
Write the product using an exponent: 7 x 7 x 7
7 to the third power or 7 squared
100
Evaluate 16+b if b=25
16+25=41
100
If your function rule is x-3 and your input(x) value is 3, what would the output value be?
The output value would be zero
100
If a rectangle has a length of 4 and a width of 7, what is its area?
A=LxW, therefore, A=28
100
15+m=32
What is m=17
200
Mrs. Ramirez's garden is organized into 6 rows. Each row contains 6 vegitable plants. How many total vegitable plants does Mrs' Ramirez have in her garden? Write using exponents and then find the value.
6 squared, 36
200
Evaluate the expression if: a=6 and b=4 2a-5
a=7
200
A local band charges $70 for each hour it performs. Define a variable. Then write a function rule that relates the total charge with the number of hours it performs.
h represents the number of hours the band plays, 70h
200
A computer screen measures 12 inches by 14 inches. What is the area of the computer screen?
A=168
200
10t=90
What is t=9
300
Solve using order of operations: (9 + 2) x 6 - 5
61
300
Evaluate the expression if: b=8 (b+3) x b+2
90
300
Ricardo is eight years older than his sister. Define a variable. Then write a function rule that relates Ricardo's age with his sister's age.
a represents the sisters age, a+8
300
A comic book store sells used comic books in packages of 5 and new comic books in packages of 3. If monica buys a total of 16 comic books, how many packages of new and used comic books did she buy?
Monica bought 2 used and 2 new
300
Is 2, 3, or 4 the answer to the equaion 4n=16
What is n=4
400
Solve using order of operations: 7 + 9 x (3 + 8)
106
400
If the admission to a fair is $7 per person and each ride costs $2, the total cost for admission and t ride tickets is 7 + 2t. Find the total cost for admission and 5 ride tickets.
$17
400
Lamar is buying jelly beans for a party. He can buy them in bulk for $3 dollars a pound. Define a variable. Write a function rule that relates the total coast of jelly beans to the number of pounds he buys.
let p represent the number of pounds. $3p
400
Nathan is saving money to buy a new graphics card for his computer that costs $250. If he is saving $20 a month and he already has $160, in how many more months will he have enough money for the graphics card?
Nathan will have enough money in 5 months.
400
Last year, 700 students attended Walnut Springs Middle School. This year there are 665 students. Solve the equation 700 - d = 665 to find d, the decrease in the number of students from last year to this year.
What is d=35 students
500
Sove using order of operations: (26 + 5) x 2 - 15
47
500
The amount of money Sabrina will need to pay for 5 binders using a $2 dollar coupon can be expressed 5x - 2, where x is the cost of each binder. Find the amount of her purchase if each binder is $4.
$18
500
Explain how to find a function rule given a function table.
To find a function rule, study the relationship between each input and output. Find what operation was performed on the input to get the output.
500
Tony is thinking of 4 numbers between 1 and 9 with a sum of 18. What are the 4 numbers?
2, 4, 5, and 7
500
If x is the number that works for the equation 4x + 3 =18, can x equal 3?
No because replacing x with 3 results in 4(3)+3 which equals 15, not 18.