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AveGali [126]
3 years ago
11

Is this a linear function , why or why not ? explain y=x^2-1

Mathematics
1 answer:
kotykmax [81]3 years ago
8 0
If you graph out y = x^2 - 1, you'll see that it is a curved parabola. It is not a straight line. So visually this shows the equation is not linear. It's considered nonlinear.

Algebraically, the given equation does not fit the form y = mx+b which is slope intercept form. So this is more confirmation that we do not have a linear function.
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What is the radius and center of the circle given by the equation (x-5)^{2}+(y+2)^{2} = 81/4
artcher [175]

Answer:

The center is (5, -2) and the radius is 9/2

Step-by-step explanation:

The equation of a circle can be written by

(x-h) ^2 + (y-k)^2 = r^2

where (h,k) is the center and r is the radius

(x-5)^{2}+(y+2)^{2} = 81/4

( (x-5)^{2}+(y- -2)^{2} = (9/2)^2

The center is (5, -2) and the radius is 9/2

6 0
3 years ago
Your office manager used 45 paperclips for handouts at his presentation from the 450 paperclips available in the stock room. Wha
vova2212 [387]
It would be 90%..... 45/450= 10%.... so there would be 90% not being used.
5 0
3 years ago
941 rounded to the nearest 10
Oksana_A [137]

Answer:

900

Step-by-step explanation:

you just see if by the number, if the number is 6 and up your round over and it would become 950 but the number is lower so you make it 900.

3 0
3 years ago
PLEASE PLEASE HELP I WILL GIVE BRAINIEST! SOS!<br> What's 1+1<br> please help
alexandr402 [8]

Answer:

The answer is 2.

Step-by-step explanation:

If I have done my math correctly, and I think I have, 1+1 should equal 2. Hope this helps ;)

8 0
3 years ago
Read 2 more answers
Number 19: Please explain the answer. Thank you so much!
icang [17]
So we are looking for the GCF which is the largest factor that the two numbers have in common, so you would want to circle all of the number that the two have in common. So it would be 2 twos and 2 X's (2,2,x,x). Which is the most numbers that the two have in common.
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3 years ago
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