Find the slope of the line containing the pair of points. (7,4) and (6,-9)

Mathematics

2 answers:

Rudiy272 years ago

4 0

Answer:

6-7

=13

Step-by-step explanation:

lesya [120]2 years ago

3 0

Answer:

Step-by-step explanation:

We can use the slope formula to find the slope

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

= ( -9-4)/(6-7)

= -13/-1

= 13

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Given the equation 4x2 − 8x + 20 = 0, what are the values of h and k when the equation is written in vertex form a(x − h)2 + k =

GenaCL600 [577]

Answer:

The correct option is:

h = 1, k = 16

Step-by-step explanation:

y=4x^2-8x+20 =0

It is a quadratic formula in standard form:

ax^2+bx+c

where a = 4 , b = -8 and c=20

The vertex form is:

a(x − h)2 + k = 0

h is the axis of symmetry and (h,k) is the vertex.

Calculate h according to the following formula:

h = -b/2a

h= -(-8)/2(4)

h = 8/8

h = 1

Substitute k for y and insert the value of h for x in the standard form:

ax^2+bx+c

k = 4(1)^2+(-8)(1)+20

k = 4-8+20

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k = 16

Thus the correct option is h=1, k=16....

8 0

3 years ago

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a_sh-v [17]

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