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3 years ago

What is the equation of the line containing points (-4,3) and (7,5)

Mathematics

1 answer:

ki77a [65]3 years ago

3 0

Use the slope formula and slope-intercept form
y=mx+b
to find the equation.
y=2/11x + 4/11

Hope this helps

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3. The ordered pair (10, 5) is a solution to which system of equations?

icang [17]

Answer:

13x+y=135

2x+2y=30

because when you substitute x (10) and y(5) you come out with the answer given to the equation

6 0

2 years ago

Read 2 more answers

(X+4+1)(x+4)=(11+x+1)(x+1) solve for x

Vinvika [58]

Answer:

x= 2

Step-by-step explanation:

so you add the values given in the brackets and leave X as it is (do this on both sides of the equation.

1. (x + 5)(x+4)= (x+12)(x+1)

2. multiply the parenthesis on both sides or one at a time

so, $x^{2}$ +5x+4x+20 = $x^{2}$ +12+1x+12

3. cancel like terms which we have $x^{2}$ so remove that.

5x+4x+20=12+1x+12

4. collect like terms.

9x + 20 = 13x + 12

5. move like terms.

9x-13x=12-20 = -4 = -8

6. x= $\frac{-4}{-8}$ divide both sides by 4 or basically simplify 4 divided by 8

which leaves u with

x= 2

hope this helps x, let me know if u have any questions. photomath is an app that helps too.

5 0

3 years ago

Let f (x) = 1/x<br> and g(x) = x² – 3x. What<br> two numbers are not in the domain of fºg?

iren [92.7K]

For this case we have the following equations:

$f (x) = \frac {1} {x}\\g (x) = x ^ 2-3x$

We must find $(f_ {o} g) (x):$

By definition of composition of functions we have to:

$(f_ {o} g) (x) = f (g (x))$

So:

$(f_ {o} g) (x) = \frac {1} {x ^ 2-3x}$

We must find the domain of f (g (x)). The domain will be given by the values for which the function is defined, that is, when the denominator is nonzero.

$x ^ 2-3x = 0\\x (x-3) = 0$

So, the roots are:

$x_ {1} = 0\\x_ {2} = 3$

The domain is given by all real numbers except 0 and 3.

Answer:

x other than 0 and 3

8 0

3 years ago

Read 2 more answers

A person walks 8blocks east, then 4 blocks north, 12 blocks west and 4 blocks south, at this point how many blocks from her star

Setler79 [48]

Answer:

4 Blocks.

Step-by-step explanation:

You start out going 8 east so that's 4.

Then you got 4 north as well so that's 12 because 8 + 4 = 12

then they walk 12 blocks west. Now they are in the position of 4 North and 4 West.

Next they go 4 blocks south. Since they went for blocks North first and now they go 4 blocks south and they are already on the fourth block to the west.

When they are at 4 North and 4 South the just travel to the original position but 4 blocks to the west.

Sorry if you don't understand the explanation. It's kinda difficult to explain.

3 0

3 years ago

Scientists use ____________________, or powers of ten, to write very large or very small numbers in shorter form.

lbvjy [14]

Scientific notation is writing numbers as a product of a power of 10 to shorten them.

8 0

3 years ago