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2 years ago

Write the equation of the shown line in slope intercept form. I need help please!

Mathematics

1 answer:

Helga [31]2 years ago

8 0

Answer:

y = 1/4x -2

Step-by-step explanation:

Slope intercept from is y = mx + b

m is the slope (rise/run) and this one is one over four.

The y-intercept is b and this line crosses the y-axis at -2.

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What is the solution of the equation? (√2x-1) + 2=x

Gwar [14]

Answer:

x = 5

Step-by-step explanation:

√(2x − 1) + 2 = x

√(2x − 1) = x − 2

2x − 1 = (x − 2)²

2x − 1 = x² − 4x + 4

0 = x² − 6x + 5

0 = (x − 1) (x − 5)

x = 1 or 5

Check for extraneous solutions.

√(2(1) − 1) + 2 = 1

√(1) + 2 = 1

3 = 1

No solution

√(2(5) − 1) + 2 = 5

√(9) + 2 = 5

5 = 5

x = 5

7 0

3 years ago

What is 6/2(1+2)=?

Rufina [12.5K]

Answer:

Answer is 9

Step-by-step explanation:

Remember PEMDAS???

"parenthesis, exponents, multiplication, division, addition, subtraction"

you would first solve the addition inside of the parentheses (1 + 2 = 3), and from there finish the equation as it's written from left to right.

8 0

2 years ago

Read 2 more answers

Is the following number rational or irrational?

zubka84 [21]

Answer:

Step-by-step explanation:

Irrational as π is irrational.

7 0

2 years ago

Evaluate the variable expression using the given values for the variable.

bixtya [17]

9514 1404 393

Answer:

Step-by-step explanation:

Put the values where the variables are and do the arithmetic.

3ab +b = 3(9)(2) +2 = 56

4 0

3 years ago

In two or more complete sentences, explain how to use ordered pairs of points in x) = 2x + 5 and g(x)=

Naddika [18.5K]

Answer:

see the explanation

Step-by-step explanation:

we have

$A(x)=2x+5$

Find the inverse of A(x)

Let

y=A(x)

$y=2x+5$

Exchange the variables x for y and y for x

$x=2y+5$

Isolate the variable y

$2y=x-5$

$y=\frac{x-5}{2}$

Let

$g(x)=y$

$g(x)=\frac{x-5}{2}$ ------> function inverse of A(x)

<em>Explanation</em>

For x=1

Find the value of A(x)

$A(1)=2(1)+5=7$

The point (1,7) is a solution for A(x)

That means-----> The point (7,1) is a solution for the function inverse g(x)

Verify

For x=7

$g(7)=\frac{7-5}{2}=1$

The point (7,1) is a solution for g(x)

therefore

A(x) and g(x) are inverses of each other if the point (x,y) is a solution of A(x) and the point (y,x) is a solution of g(x)

8 0

2 years ago

Write the equation of the shown line in slope intercept form. I need help please!​

Write the equation of the shown line in slope intercept form. I need help please!