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Graph f(x)= -2x + 4. What is x when f(x) is -8?

User Bklimt
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2 Answers

1 vote
- 8 = - 2x + 4
2x = 12
x = 6
User Greeso
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7.6k points
2 votes
You only need to know two points to draw a line. So, just calculate any two points by assuming x to be any number. 
Graph f(x)= -2x + 4. What is x when f(x) is -8?-example-1
User Rouan Van Dalen
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6.9k points