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3 years ago

What is the image of (-1,8) after translation right 1 units and up 2 units

Mathematics

1 answer:

Vladimir79 [104]3 years ago

4 0

Answer:(0,10)

Step-by-step explanation: Im pretty sure because of subtracting 1 from the -1 in your x value and adding 2 to the 8 in you Y value

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Explain how you know which method you should use to solve a rational equation.

notsponge [240]

Methods to solve rational equation:

Rational equation:

A rational equation is an equation containing at least one rational expression.

Method 1:

The method for solving rational equations is to rewrite the rational expressions in terms of a common denominator. Then, since we know the numerators are equal, we can solve for the variable.

For example,

$\frac{1}{2}=\frac{x}{2}\Rightarrow x=1$

This can be used for rational equations with polynomials too.

For example,

$\frac{1+x}{x-3}=\frac{4}{x-3}\Rightarrow(1+x)=4 \Rightarrow x=3$

When the terms in a rational equation have unlike denominators, solving the equation will be as follows

$\frac{x+2}{8}=\frac{3}{4}$

$\Rightarrow\frac{x+2}{1}=\frac{3\times8}{4}\Rightarrow{x+2}=2\times3$

$\Rightarrow{x+2}=6\Rightarrow x=6-2\Rightarrow x=4$

Method 2:

Another way of solving the above equation is by finding least common denominator (LCD)

$\frac{x+2}{8}=\frac{3}{4}$

Factors of 4: $1\times2\times2$

Factors of 8: $1\times2\times2\times2$

The LCD of 4 and 8 is 8. So, we have to make the right hand side denominator as 8. This is done by the following step,

$\Rightarrow\frac{x+2}{8}=\frac{3}{4}\times{2}{2}$

we get,

$\Rightarrow\frac{x+2}{8}=\frac{6}{8}$

On cancelling 8 on both sides we get,

$\Rightarrow(x+2)=6\rightarrow x=6-2\rightarrow x=4$

Hence, these are the ways to solve a rational equation.

7 0

3 years ago

What is the value of x?

alina1380 [7]

Answer: 12

Explain: Hope this helps!

3 0

3 years ago

CAN SOMEONE HELP ME!!!!! WHAT IS 4+4

Volgvan

The answer is eight

8 0

3 years ago

Read 2 more answers

Help out Aaaaaaaaaaaa

diamong [38]

Answer:

$y=\frac{6}{5}x-8$

Step-by-step explanation:

we know the slope (or m in y=mx+b) is 6/5 we just need to solve for b

we will do this by plugging in the required coordinates

-2=(6/5)*5+b

-2=6+b

-8=b

put it all together

7 0

2 years ago

Read 2 more answers

Find the slope of the line passing through the two points.

GalinKa [24]

The fromula of a slope:

$m=\dfrac{y_2-y_1}{x_2-x_1}$

a) (-1, -8), (-7, -4)

substitute

$m=\dfrac{-4-(-8)}{-7-(-1)}=\dfrac{-4+8}{-7+1}=\dfrac{4}{-6}=-\dfrac{2}{3}$

b) (2.1, 3.8), (3.1, 7.6)

substitute

$m=\dfrac{7.6-3.8}{3.1-2.1}=\dfrac{3.8}{1}=3.8$

4 0

2 years ago