3 years ago

Find the slope of the line between (1,5) and (3,9)

Mathematics

2 answers:

slavikrds [6]3 years ago

6 0

Answer:

slope = 2

Step-by-step explanation:

use y2-y1 over x2-x1

zysi [14]3 years ago

4 0

Answer:

Slope is 2.

Step-by-step explanation:

We can use the points in either order and you will still get the same slope. I usually solve in order that is given. So the first coordinates I label (x1,y1) and the second is (x2,y2).

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

m=(9-5)/(3-1)=4/2=2

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What is the term a8 of the sequence {an} if an equalsa) 2n−1?b) 7?c) 1 + (−1)n?d) −(−2)n?

Degger [83]

The correct question in the attached figure

case A) an=2^(n-1)
for n=8
a8=2^(8-1)-----> a8=2^7----> a8=128

the answer case A) is
a8=128

case B) an=7
then for n=8
a8=7

the answer case B) is
a8=7

case C) an=1+(-1)^n
for n=8
a8=1+(-1)^8----> a8=1+1----> a8=2

the answer case C) is
a8=2

case D)an=-(-2)^n
for n=8
a8=-(-2)^8----> a8=-256

the answer case D) is
a8=-256