A letter that represents an unknown number is a _________________.
What is a variable?
300
(8*3)x(3*7)
What is 504?
300
(8*3)x(x*7) when x=3
What is 504?
300
-3(4-6x+7)
What is -18x-33?
300
-10=2k/-5
What is 25?
300
Parts of an expression that have the same variable and the same exponents are ______________
What are like terms?
400
2[ 13 - ( 1+6)]
What is 12?
400
Change the following verbal expression to the correct algebraic expression: 8 more than a number times 3.
What is 3x+8
400
11(6-4x)+19
What is -44x+85?
400
Translate the sentence into an equation then solve. The product of a number and four is twenty-four. Find the number.
What is 6?
400
How old is a tortoise if 300 reduced by 3 times its age is 72?
What is 76?
500
100 - 4(7 - 4)+3
What is 91?
500
What is the correct verbal expression for 8n?
What is the product of n times 8 or n times 8?
500
2x(3+4)-7(x+3)
What is 7x-21?
500
Translate the sentence into an equation and solve. The difference between nine times a number and five times the number is thirty-two. Find the number.
What is 8?
500
Ms. Green tells you that a right triangle has a hypotenuse of 13 and a leg of 5. She asks you to find the other leg of the triangle. What is your answer?