Functions and Linear Equations
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Functions and Linear Equations 8th grade
📚 Part 1: Understanding Functions
I can identify a function from examples and explain why functions have only one output per input.
Example A: Input 2 → Output 5, Input 3 → Output 6, Input 4 → Output 7
Example B: Input 1 → Output 3, Input 1 → Output 5, Input 2 → Output 7
A function gives exactly _______ output for each input.
Input 1 → Output _____
Input 3 → Output _____
Input 5 → Output _____
✏️ Part 2: Linear Equations y = mx + b
I can identify parts of the equation y = mx + b and explain what slope and y-intercept mean.
In the equation y = 2x + 3:
The number 2 is the _____________ (slope/y-intercept)
The number 3 is the _____________ (slope/y-intercept)
Answer: _____
🔧 Part 3: Solving One-Step Equations
I can solve one-step equations and explain why both sides must stay balanced.
a) x + 4 = 9
x = _____
b) y - 3 = 7
y = _____
When x = 1, y = _____
When x = 2, y = _____
When x = 4, y = _____
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