Is y = 0.5x - 1 a liner function

Answers

Answer 1

Answer:

Yes equation is a linear function.

What is linear function?

A linear function is one that has either one or two variables and no exponents. It is a function with a straight line as its graph. Any equation follows the y = ax +b is linear.

given an equation y = 0.5x -1

so Any equation follows the y = ax +b is linear.

and graph has straight line for linear equation

here a = 0.5; b = -1

Learn more about linear function

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Answer 2

Answer:

Slope intercept form is y=mx+b. Any equation in this form is linear.

Step-by-step explanation:

if it was x squared it is not linear, its quadratic, so if there is ever an equation with just an x its linear. any x that has an exponent that's is not 1 is not linear. Hope this makes sense.

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Simplify
2/5(a+b)+3/5(a+c)

Answers

distribute 2/5 and 3/5 into the ():
2/5(a+b)+3/5(a+c)

2/5 a+ 2/5 b+3/5 a+ 3/5 c

combine the like terms:
2/5 a+3/5 a= 5/5 a --> 1a --> a

new simplified equation:
a+2/5 b+3/5 c

Distribute

(2/5) (a) + (2/5) (b) + (3/5)(a) +(3/5)(c)

= 2/5a+2/5b+3/5a+3/5c

Combine like terms

2/5 a + 2/5 b + 3/5 a + 3/5 c

= ( 2/5 a + 3/5 a ) + ( 2/5 b) +(3/5 c)

= a + 2/5 b +3/5 c

I hope that's help !

PLEASE HELP ASAP!!! 70 POINTS AND BRAINLIEST!!!Choose the equation that represents the graph below:
y = x − 3
y = −x + 3
y = −x − 3
y = x + 3

Answers

Answer:

y =x+3

Step-by-step explanation:

We need to find the slope

Find 2 points

(-3,0) and (0,3)

Slope = (y2-y1)/(x2-x1)

= (3-0)/ (0--3)

= (3-0)/ (0+3)

=3/3

We know the y intercept ( where it crosses the y axis) is at 3

We can write the equation in the form y= mx+b

y = 1x+3

y =x+3

You should use this app called desmos to solve this but its the last option

mollys jump rope is 6 1/3 feet long. Gals jump rope 4 2/3 feet lo g. How much longer is Molly's jump rope?

Answers

6 1/3- 4 2/3 =5 4/3- 4 2/3=1 2/3
You can't subtract fractions unless you have the same denominator.

The correct answer is 1 2/3 because 6 1/3=19/3 and 4 2/3=14/3 and 19/3-14/3=5/3=1 2/3

john had a ribbon that was 1 1/2 meters long. he used 2 pieces that were each 1/3 of that length. how much ribbon did john use

Answers

Of means multiplication. So the question is 1/3 X 1 1/2. First make 1 1/2 improper: 3/2. Then multiply the numerators (top numbers) and denominaters (bottom numbers): 1x3=3, 3x2=6, =3/6. Now simplify 3/6=1/2. Then multiply that by 2, since he used 2 pieces: 1/2x2=1. John used 1 meter :)

Which of the following pairs of numbers contain like fractions?6/7 and 1 5/7
3/2 and 2/3
5/6 and 10/12
3 1/2 and 4 3/4

Answers

Answer:

6/7 and 1 5/7

Step-by-step explanation:

Answer:

6/7 and 1 5/7

5/6 and 10/12= 5/6

What is the solution to the equation?

x – 1.2 = 3.6

Answers

To solve this you would work backwards so 3.6+1.2 because the operation in the equation is subtraction. 3.6+1.2= 4.8. I hope this helped. :)

To solve you add both sides by 1.2. This cancels out the negative 1.2 and when you add 1.2 to 3.6 you get 4.8. Now you're equation should look like x=4.8. And that's pretty much it

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