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Aleonysh [2.5K]

2 years ago

8

Y=X+1 is the equation for a straight line graph where does it cross the y-axis

1 answer:

ad-work [718]2 years ago

4 0

Y=x+1 crosses the y-axis at (0,1). To solve this, I found out the y-intercept which is 1. I know that the y-intercept is 1 because in the equation y=mx+b, the 'b' is the y-intercept. The y-intercept is always on the y-axis and so this is where this equation crosses the y-axis.

Below is a picture of the equation y=x+1

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Which is the simplified form of (9c^-9)^-3<br> b 1/729 c^27

rosijanka [135]

<u>ANSWER</u>

$(9 {c}^{ - 9} )^{ - 3}=\frac{{c}^{ 27} }{729}$

<u>EXPLANATION</u>

The given expression is

$(9 {c}^{ - 9} )^{ - 3}$

Recall that:

$({a}^{m} )^{n} = {a}^{mn}$

We use the law of exponents to get

$(9 {c}^{ - 9} )^{ - 3} = 9^{ - 3} {c}^{ - 9 \times - 3}$

Let us multiply in the exponents to get:

$(9 {c}^{ - 9} )^{ - 3} = 9^{ - 3} {c}^{ 27}$

Recall again that:

${a}^{ - m} = \frac{1}{ {a}^{m} }$

This implies that:

$(9 {c}^{ - 9} )^{ - 3} = \frac{1}{ {9}^{ 3} } \times {c}^{ 27}$

We expand the power to get:

$(9 {c}^{ - 9} )^{ - 3} = \frac{1}{9 \times 9 \times 9} \times {c}^{ 27}$

$(9 {c}^{ - 9} )^{ - 3}=\frac{1}{729} \times {c}^{ 27}$

We multiply out to get:

$(9 {c}^{ - 9} )^{ - 3}=\frac{{c}^{ 27} }{729}$

7 0

3 years ago

HELPPP!!! <br> What is 4^(1) x 4^(2) and please show the steps!!

elena-14-01-66 [18.8K]

${4}^{1} = 4 \\ 4 {}^{2} = 4 \times 4 = 16 \\ \\ {4} + 16 = 20$

6 0

3 years ago

mylen [45]

Answer:127

all you do is subtract -70 by 57 and it will give you a negative but get rid of it and you get 127 or just take the - away from -70 and add 57

3 0

2 years ago

Pls help! I need help with a and c I did b already!

laila [671]

Answer:

A= y= -2x+7.

B= y= - $\frac{3}{2}$ x+ 6

Step-by-step explanation:

The linear equation is y=mx+b

A= y= -2x+7.

-2 represents he slope and 7 represents the y intercept.

B= y= - $\frac{3}{2}$ x+ 6

- $\frac{3}{2}$ is the slop and 6 is the y intercept.

Hope this helps :)

8 0

3 years ago

Write each expression in radical form.<br> 1. 7²2. 4413

Oliga [24]

Answer:1. 7 2. $\sqrt{4413}$

Step-by-step explanation:

1. $\sqrt{ 7^{2}$ = 7

2. $\sqrt{4413}$ ( doesn't have any simplest radical form)

7 0

3 years ago