Find the Linear Function Equation: Slope 5 Through Point (2,4)

A linear function with a slope of 5 passes through the point (2,4) (2,4) .

Choose the equation that represents this function.

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Step-by-step video solution

Watch the teacher solve the problem with clear explanations
00:00 Find algebraic representation for the function
00:04 The given slope and point
00:09 Use the formula to represent a linear function
00:15 Substitute appropriate values according to the given data, and solve for B
00:34 Isolate the unknown B
00:48 Substitute accordingly the slope and intersection point to find the function
01:05 And this is the solution to the question

Step-by-step written solution

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1

Understand the problem

A linear function with a slope of 5 passes through the point (2,4) (2,4) .

Choose the equation that represents this function.

2

Step-by-step solution

To solve for the equation of a line given a slope and a point:

  • Step 1: Use the point-slope form of the linear equation: yy1=m(xx1) y - y_1 = m(x - x_1) .
  • Step 2: Substitute the given slope m=5 m = 5 and point (2,4) (2, 4) into the equation.
  • Step 3: Simplify and rearrange to convert into slope-intercept form y=mx+b y = mx + b .

Substituting into the point-slope form, we have:

y4=5(x2) y - 4 = 5(x - 2)

Distribute the 5 across the terms in the parentheses:

y4=5x10 y - 4 = 5x - 10

Add 4 to both sides to solve for y y :

y=5x10+4 y = 5x - 10 + 4

This simplifies to:

y=5x6 y = 5x - 6

Therefore, the equation of the line is y=5x6 y = 5x - 6 .

The correct choice among the options given is y=5x6 y = 5x - 6 .

3

Final Answer

y=5x6 y=5x-6

Practice Quiz

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For the function in front of you, the slope is?

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