Write the equation of a line that goes through point (0,-8) has a slope of 0

Mathematics

2 answers:

Elena L [17]2 years ago

6 0

The equation of a line that goes through point (0,-8) has a slope of 0 is $\bold{y=-8}$

<u>Solution:</u>

Given, the slope of line passing through (0, -8) is 0

Point- slope form of a line is $y - y_1 = m (x - x_1)$

where m is the slope; $y_1= -8 \text{ and } x_1= 0$

On substituting the values we get,

$y-(-8)=0\times x-0 \rightarrow y+8=0$

$\bold{\Rightarrow y=-8}$

Thus, the required equation is $y=-8$

Slope:

The slope of a line is a number that measures its "steepness", usually denoted by the letter m. It is the change in y for a unit change in x along the line.

Deffense [45]2 years ago

5 0

Answer:

y = x - 8

Step-by-step explanation:

In the equation for slope, y = mx + b,

your slope being 0 makes the equation 'x' or 0x but x is preffered.

Your why would be -8 because there is no x in the point and it is a negative number.

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How do you factor quadratics by grouping

Kaylis [27]

Here's an example Its also call the 'ac' method:-

factor 2x^2 - 13x - 15

Multiply first coefficient by last number which is 2*-15 = -30

Now we need 2 factors of -30 which will when added give - 13:-

-15 and 2 looks good. So we can write:-

2x^2 - 13 x - 15

= 2x^2 + 2x - 15x - 15

factor by grouping first 2 and last 2 terms , we get:-

= 2x(x + 1) - 15(x + 1)

the x+1 is common so we have:-

(2x - 15)(x + 1) Answer

Hope this helps.

5 0

2 years ago

syeda has finished 20% of her math assignment. The assignment includes 50 problems how many problems has syeda completed?

Nostrana [21]

Answer:

10 problems

Step-by-step explanation:

This is the answer because:

1) We have to solve for what 20% of 50 is since she finished 20% of her test:

20% of 50 = 10

$\frac{2}{10}$ × $\frac{50}{1}$ = $\frac{100}{10}$ = 10