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3 years ago

What is the value of the y-intercept of the line 2x+5y=12?

Mathematics

2 answers:

Paladinen [302]3 years ago

8 0

Using the slope-intercept form, the slope is

2 /5 2/5.M= 25

madreJ [45]3 years ago

7 0

Answer:

y=-2/5x+2 2/5

Step-by-step explanation:

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Gwendolyn is asked to solve the equation –4(x – 3) = 20. She shows the work below and states that the solution is x = –8. –4(x –

____ [38]

Answer:

$x=-2$

Step-by-step explanation:

Given: Equation is $-4(x-3)=20$

To find: flaw in Gwendolyn's work and the correct solution to the equation.

Solution:

In the given question,

the first step is $-4(x-3)=20$

The second step is $-4x+12=20$

(This step is obtained on multiplying $-4$ by $x-3$ )

The third step is $-4x=32$

This step is wrong as on transposing 12 from left side of the equation in the second step to the right side, the following equation is obtained:

$-4x=20-12\\-4x=8\\x=-2$

So, the correct solution is $x=-2$

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3 years ago

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What is the slope-intercept equation for this line?

Vaselesa [24]

Answer:

$y=-\frac{1}{4} x-1$

Step-by-step explanation:

find the slope of the line using the two points (0,-1) and (4,-2)

$\frac{(-2+1)}{(4-0)} =-\frac{1}{4}$

since we already know that the y-intercept is -1 then you plug the numbers into the slope-intercept form y=mx+b and you get $y=-\frac{1}{4}x-1$

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2 years ago

Find the difference quotient for the function. Will rate brainliest.

Zigmanuir [339]

It equals to:
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3 years ago

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Hatshy [7]

Answer:

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Step-by-step explanation:

50/10=5

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