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zloy xaker [14]
3 years ago
11

What is the slope and y-intercept of this equation? y=2-9x m= b=

Mathematics
2 answers:
Sveta_85 [38]3 years ago
7 0

Answer:

The slope is -9 and the y intercept is 2

Step-by-step explanation:

Write the equation in slope intercept form

y= mx+b where m is the slope and b is the y intercept

y = -9x+2

The slope is -9 and the y intercept is 2

Juli2301 [7.4K]3 years ago
3 0

Answer:

Slope (m) is the number being multiplied by x (make sure you include the sign in front of it).

y- intercept (b) is the number other than the x

Step-by-step explanation:

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Let f(x)=−12(x+2)2+5 . What is the average rate of change for the quadratic function from x=−3 to x = 1?
aev [14]

Answer:

Average rate of change = -6

Step-by-step explanation:

The average rate of change over the interval (a,b) is given by;

[ f(b) - f(a)] / (b-a)........................where interval is (a,b)

(a,b) interval =(-3,1)

Where;

f(x)= -12 (x+2)² +5

f(a)=f(-3)=-12(-3+2)^2+5\\f(a)=f(-3)=-12(-1)^2+5\\f(a)=f(-3)=-12(1)+5\\=-12+5=-7\\\\\\f(b)=f(1)=-12(1+2)+5\\f(b)=f(1)=-12(3)+5\\=-36+5=-31\\\\f(b)-f(a)=-31--7=-24\\\\b-a=1--3=4\\\\f(b)-f(a)/b-a=\frac{-24}{4} =-6

5 0
3 years ago
A pecan pie is being served for dessert. One piece of pie has an arc length of 7.85 in. It has been cut into 8 equal pieces. Wha
grin007 [14]

Answer:

The radius of the pie is 6.17 in.

Step-by-step explanation:

The formula for arc length as a function of radius is

s = r·Ф, where Ф is the central angle in radians.

Here we know that the arc length is 7.85 in.  Assuming that the whole pie has been cut into 8 equal pieces, the central angle of one such piece is

2π / 8, or π /4 (radians).

thus, s = r·Ф, solved for r, is r = s/Ф

and in this instance r = (7.85 in)/(π/4).  Evaluating this, we get:

                                 r = 6.17 in

The radius of the pie is 6.17 in.

8 0
4 years ago
Help pls...and thank you..
Allisa [31]

Answer:

0 chance because there is no black ones but you would probably pick a yellow one bigger chance for yellow jelly bean.

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
PLEASE HELP! Brainliest will be given to the right answer
Bess [88]
The answer should be A
3 0
3 years ago
Read 2 more answers
Help pl pls pls pls pls
Svetllana [295]

Answer:

they are both a function

Step-by-step explanation:

because i did this back in 8th grade

8 0
3 years ago
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