What is a system of equations?
202412 Semester Exam Review

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Mathematics
•
9th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A set of two or more equations with the same variables. The solution is the point(s) where the equations intersect.
2.
FLASHCARD QUESTION
Front
How do you solve a system of equations using substitution?
Back
1. Solve one equation for one variable. 2. Substitute that expression into the other equation. 3. Solve for the remaining variable.
3.
FLASHCARD QUESTION
Front
What does it mean for two lines to be parallel?
Back
Two lines are parallel if they have the same slope and will never intersect.
4.
FLASHCARD QUESTION
Front
What is the rate of change in a linear relationship?
Back
The rate of change is the ratio of the change in the dependent variable to the change in the independent variable, often represented as the slope.
5.
FLASHCARD QUESTION
Front
What is the slope-intercept form of a linear equation?
Back
6.
FLASHCARD QUESTION
Front
What is an equivalent expression?
Back
An expression that has the same value as another expression for all values of the variable(s).
7.
FLASHCARD QUESTION
Front
How do you simplify a fraction with exponents?
Back
Use the laws of exponents: subtract the exponent of the denominator from the exponent of the numerator for like bases.
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