What is the equation that represents the total cost for John and Jane if Jane buys x cookies at $3 each and John buys x cookies at $1 each plus a cake for $10?
Unit 1 Review

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Mathematics
•
9th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
3x = x + 10
2.
FLASHCARD QUESTION
Front
What does it mean if the equation 2(m+3)=2m+12 has no solution?
Back
It means that there are no values of m that satisfy the equation.
3.
FLASHCARD QUESTION
Front
How do you isolate w in the equation A = LW?
Back
w = A / L
4.
FLASHCARD QUESTION
Front
What is the inequality that represents Katie's budget for a taxi ride that costs $1.75 plus $0.65 per mile?
Back
1.75 + 0.65m < 10
5.
FLASHCARD QUESTION
Front
How do you isolate y in the equation 5x - y = 16?
Back
y = 5x - 16
6.
FLASHCARD QUESTION
Front
What is the definition of a variable in mathematics?
Back
A symbol used to represent an unknown value.
7.
FLASHCARD QUESTION
Front
What is the purpose of solving equations?
Back
To find the value of the variable that makes the equation true.
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