Mathematics
Grade10
Easy

Question

If m=3 and b=6, which is the correct slope-intercept equation?

  1. y=3-6
  2. y=3x-6
  3. y=3x+6
  4. y=6x+3

Hint:

Given the slope of line as m and intercept as b .

the Equation of line will be y = mx + b .
 

The correct answer is: y=3x+6


    Given m = 3 slope of the line and b = 6 intercept of the line
    Step 1 : Using the slope and y-intercept of the line to write the equation of the line.
    Slope-intercept from of equation of a line is y = mx +b
    Step 2: [substituting 3 for m and 6 for b]
    ⇒ y = 3x +6
    So , y = 3x + 6 will be the right equation having slope as 3 and intercept as 6 .

    Equation of line in slope intercept form is 

    y = slope.x + intercept .
     

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