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3 years ago

What is a linear equation?

Mathematics

1 answer:

defon3 years ago

8 0

Answer:

Google Explanation:

An equation between two variables that gives a straight line when plotted on a graph.

Picture Example:

Is Below

( I got the picture from Wikipedia)

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Explain how you can write an equation for a line with slope 1/2 that crosses the y-axis at the point (0,-1).

andre [41]

Answer:

y= 1/2x-1

Step-by-step explanation:

The equation of a line is y= mx+c

m represents the slope of the line

c represents the y-intercept

So we plug in our information into the equation.

The slope is 1/2 so y= 1/2x + c

The line crosses at (0,-1) which makes -1 the y-intercept as the line crosses at this point on the y-axis.

Therefore, y= 1/2x-1

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4 years ago

For the function defined by y = StartFraction 1 Over x squared EndFraction, y varies inversely as what quantity? a. x c. y b. 2x

Ann [662]

Answer:

D- x^2

Step-by-step explanation:

Just did the practice edge. 2021

8 0

3 years ago

Given that 221x =25 to base 10 find x<br>

Schach [20]

Answer:

my number 56478943632

Step-by-step explanation:

6 0

2 years ago

Read 2 more answers

NEED HELP FOR A TEST, PLEASE :) (30 POINTS)

Nadya [2.5K]

Answer:

Hey!

Your Answer Is,

No Triangles: A, C

One Triangle, F, D

Many Triangles: B,E

I hope this helps you!

Step-by-step explanation:

6 0

2 years ago

PLEASE HELP ME!!!

Reika [66]

Answer:

Part a) The inequality that models this problem is $2w+2(4w) \leq 106$

Part b) The greatest possible value for the width is 10.6 centimeters

Step-by-step explanation:

Part a) Which inequality models this problem?

Let

l ----> the length of the rectangle in cm

w ---> the width of the rectangle in cm

we know that

The perimeter of the rectangle is equal to

$P=2w+2l$

Remember that

The term "at most" means "less than or equal to"

$2w+2l \leq 106$ ----> inequality A

$l=4w$ ---> equation B

substitute equation B in the inequality A

$2w+2(4w) \leq 106$ ---> inequality that model the problem

Part b) what is the greatest possible value for the width?

solve for w

$2w+2(4w) \leq 106$

$10w \leq 106$

Divide by 10 both sides

$w \leq 10.6\ cm$

therefore

The greatest possible value for the width is 10.6 centimeters

6 0

4 years ago