Identify the percent of change as an increase or a decrease. 14 to 12 increase decrease question 2 find the percent of change. round to the nearest tenth of a percent if necessary. %

-14.3% is a decrease

Step-by-step explanation:

To find the percent increase/decrease:

1.Subtract the original value from the new value.

2.Divide by the original value.

3.Multiply the decimal by 100 to convert to a percent.

12 - 14 = -2

-2/14 = -0.1428

-0.1428*100 = -14.28% rounds to -14.3%

5x + 3y = - 4

step-by-step explanation:

the equation of a line in standard form is

ax + by = c ( a is a positive integer and b, c are integers )

express the line first of all in slope- intercept form

y = mx + c ( m is the slope and c the y-intercept )

to calculate m use the gradient formula

m = ( y₂ - y₁ ) / ( x₂ - x₁ )

with (x₁, y₁ ) = (7, - 3) and (x₂, y₂ ) = (4, - 8)

m = = -

y = - x + c ← is the partial equation

to find c substitute either of the 2 points into the partial equation

using (4, - 8 ), then

- 8 = - + c ⇒ c = -

y = - x - ← in slope-intercept form

multiply all terms by 3 to eliminate the fractions

3y = - 5x - 4 ( add 5x to both sides )

5x + 3y = - 4 ← in standard form

need more detail

step-by-step explanation:

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