Maths-
SAT
Easy
Question
In the xy-plane, the graph of line l has slope 3. Line k is parallel to line l and contains the point (3, 10).Which of the following is an equation of line k ?
- y = 3x + 7
- y = 3x + 1
The correct answer is: y = 3x + 1
m = 3
Write the equation of linear function
10 = 3.3 + b
-b = 3 × 3 – 10
-b = 9 – 10
-b = -1
b = 1
substitute y = 3x + 1
y = 3x + 1
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