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3 years ago

Is xy= 12 a linear function?

1 answer:

4 0

No, it is not a linear function.

A linear function is a straight line. When graphed out, this equation shows two curved lines that are reflecting each other across the origin.

Hope I helped! :)

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malfutka [58]

Pay attention in math class! in higher grade levels, this is gonna show up EVERYDAY! no joke
In these types of problems, you need to use PEMDAS also.

((4)+3)+(13(-2)-5)
(7)+(-31)
7-31
-24
C

8 0

3 years ago

At the confession stand, medium sodas cost $1.25 and hot dogs cost $2.50. How many medium sodas can you buy with $20? Make a tab

Tju [1.3M]

Answer: 16 sodas

Step-by-step explanation:

2 sodas | $2.50

4 sodas | $5.00

6 sodas | $7.50

8 sodas | $10.00

10 sodas | $12.50

12 sodas | $15.00

14 sodas | $17.50

16 sodas | $20.00

7 0

3 years ago

What is a correct equation for the line passing through the point (-2,1) and having slope m=1/2

frez [133]

Step-by-step explanation:

The point-slope form of an equation of a line:

$y-y_1=m(x-x_1)$

m - slope

We ahve the slope m = 1/2 and the point (-2, 1). Substitute:

$y-1=\dfrac{1}{2}(x-(-2))$

$y-1=\dfrac{1}{2}(x+2)$ - point-slope form

Covert to the slope-intercept form (y = mx + b):

$y-1=\dfrac{1}{2}(x+2)$ use the distributive property

$y-1=\dfrac{1}{2}x+1$ add 1 to both sides

$y=\dfrac{1}{2}x+2$ - slope-intercept form

Convert to the standard form (Ax + By = C):

$y=\dfrac{1}{2}x+2$ multiply both sides by 2

$2y=x+4$ subtract x from both sides

$-x+2y=4$ change the signs

$x-2y=-4$ - standard form

Convert to the general form (Ax+By+C=0):

$x-2y=-4$ add 4 to both sides

$x-2y+4=0$ - general form

5 0

3 years ago

3/8 + -7/8 ???????????

saw5 [17]

Answer:

-0.5 hope this help

Step-by-step explanation:

3 0

3 years ago

Ivahew [28]

Answer:

(4x+6)

(5x -5)

(3x + 8)

The value of x is