Write the equation in slope-intercept form (y=mx+b) that contains the following point with the given slope. Slope = 2 ; (-3, 1)
Hint: Use point-slope form first. Then, solve that equation for y.
2 answers:
Answer:
y = 2x + 7
Step-by-step explanation:
The equation of a line in slope- intercept form is
y = mx + c ( m is the slope and c the y- intercept )
here m = 2, so
y = 2x + c ← is the partial equation
To find c substitute (- 3, 1) into the partial equation
1 = - 6 + c ⇒ c = 1 + 6 = 7
y = 2x + 7 ← equation in slope- intercept form
here,
given point is (-3,2) and slope(m) is 2
so y=mx + b
or 2=2×(-3) +b
or b=8
the equation is
y=mx+b
or y=2x+8
or2x-y+8=0
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