How to write a slope intercept equation from a graph?

Mathematics

1 answer:

saul85 [17]3 years ago

5 0

The equation of any straight line, called a linear equation, can be written as: y = mx + b, where m is the slope of the line and b is the y-intercept. The y-intercept of this line is the value of y at the point where the line crosses the y axis.

y = -1/2x + 5 is the answer

M = Rise over run meaning you go up 1 and run the other way (left or right) 2

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PLEASE HELP!! WHAT IS THE SLOPE OF THE GRAPH SHOWN BELOW.

Taya2010 [7]

Try this explanation:
the equation which corresponds to the given graph is y=-5x-2.
Using this equation the slope of the graph is (-5).

answer: C.

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3 years ago

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The weekly salary of a store manager includes a $30 bonus plus the number of hours the manager works multiplied by the managers

gizmo_the_mogwai [7]

Yes. The situation is defined by a linear function.

<u>Solution:</u>

Given, The weekly salary of a store manager includes a $30 bonus plus the number of hours the manager works multiplied by the managers earnings per hour.

Is this situation defined by a linear function?

Yes, the above given situation is defined by a linear function.

Now, let us see the linear equation for above situation

Let the number of hours worked by manager be "x", and cost per hour be "c" and total salary be "y"

Then, total salary is given as,

Total salary = $ 30 bonus + number of hours worked $\times$ cost per hour