3 years ago

(1,-6),m=-1 in point slope form

Mathematics

1 answer:

Alika [10]3 years ago

4 0

Answer:

y + 6 = - (x - 1)

Step-by-step explanation:

The equation of a line in point- slope form is

y - b = m(x - a)

where m is the slope and (a, b) a point on the line

Here m = - 1 and (a, b) = (1, - 6), thus

y - (- 6) = - 1(x - 1), that is

y + 6 = - (x - 1)

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The square of a negative number is twenty-eight more than three times the negative number. Find the number.

MAXImum [283]

The number is x

it is negative
the square is 28 more than 3 times itself
x²=28+3x
minus (28+3x)
x²-3x-28=0
factor
(x-7)(x+4)=0
set to zero

x-7=0
x=7
this is not the answer because we were told the number was negative

x+4=0
x=-4
correct

the number is -4
test
(-4)²=28+3(-4)
16=28-12
16=16
check

the number is -4

8 0

3 years ago

Read 2 more answers

plesee help me do I need it under 25min and don't answer if you don't know or else u will be reported thank you (◔‿◔)

34kurt

Answer:

l = 2.25 cm

Step-by-step explanation:

given l is inversely proportional to w² then the equation relating them is

l = $\frac{k}{w^2}$ ← k is the constant of proportion