What is a real number
2 answers:
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Hello and Good Morning/Afternoon:
<u>Let's take this problem step-by-step</u>:
<u>Let's write in the point-slope form</u>:
- (x₀,y₀) --> any random point on the line
- m: slope
<u>Let's find the slope</u>:
- (x₁,y₁) ==> a random point on the line ⇒ (1, -1)
- (x₂,y₂) ==> a random point on the line not (x₁,y₁) ⇒ (4, 8)
⇒
<u>Let's gather what we know:</u>
- (x₀,y₀) = (1,-1)
- m: 3
Equation:
<u>The equation could also be written in slope-intercept form:</u>
⇒ simply isolate y on one side
<u />
<u>Answer:</u>
- <u>Point-slope form: y + 1 =3(x - 1)</u>
- <u>Slope-intercept form: y= 3x - 4</u>
*Either answer works, just put the one that you are most familiar with
Hope that helps!
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