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Mashcka [7]
3 years ago
11

What is the rule for point-slope?

Mathematics
1 answer:
Gemiola [76]3 years ago
6 0
If your referring to the form then its y-y1=m(x-x1)
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Can someone please help complete this, it’s due at midnight and I don’t understand at all.
Bezzdna [24]

Answer:

You just read it

Step-by-step explanation:

5 0
3 years ago
d) What are the values for coefficients a, b, and c in the quadratic equation for Daredevil Danny’s practice jump? (5 points)
SIZIF [17.4K]

Answer:

a = -0.32

b = 16

c = - 168

Step-by-step explanation:

In the figure attached, the quadratic function is shown. We can model it as follows:

y = a*(x - x1)*(x - x2)

where (x1, 0) and (x2, 0) are its roots

From the picture, roots are (15, 0) and (35, 0), replacing them into the equation:

y = a*(x - 15)*(x - 35)

and the vertex is at (25,32), replacing into the equation:

32 = a*(25 - 15)*(25 - 35)

32 = a*(-100)

a = 32/(-100)

a = -0.32

Applying distributive property:

y = -0.32*(x - 15)*(x - 35)

y = -0.32*(x² - 35x - 15x + 525)

y = -0.32x² + 16x - 168

which corresponds to the general form:

y = ax² + bx + c

3 0
3 years ago
Read 2 more answers
If your bike 8 miles south and then 6 miles east, what is the distance you are from your starting point?
Lady bird [3.3K]

Answer:

<em>14 miles</em>

Step-by-step explanation:

It's still 14 miles no matter which way you go.

8 0
3 years ago
What is the significance of a correlation coefficient of 0.88?
AleksandrR [38]
The maximum positive value that the correlation coefficient can have is 1.
Thus, 0.88 is pretty close, indicating a positive slope for the regression line and points lying close to that line.


6 0
3 years ago
Find the slope of the line that passes through the points (10, -2) and (10,-6)
defon
-6+2
--------- =
10-10
-4
---- =
0
m=0
*(the "-----" are supposed to be fractions, sorry if that looks confusing)*

y+2=0(x-10)
y+2=0
-2 -2
y=-2

Your answer would be "y=-2."
4 0
3 years ago
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