What is four times three?
1 answer:
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The answer is C
The absolute value of a number is simply the positive version of that number. So, if a number is already positive the absolute value does nothing, else it switches its sign.
This is easier done than said: we have and
. And since
, C is correct. Let's see why the others are wrong:
Option A translates to
Option B translates to
Option D translates to
Answer:
y + 9 = - 10(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
Calculate m using the slope formula
m = (y₂ - y₁ ) / (x₂ - x₁ )
with (x₁, y₁ ) = (1, - 9) and (x₂, y₂ ) = (- 10, 101)
m = =
= - 10
Using (a, b) = (1, - 9), then
y - (- 9) = - 10(x - 1), that is
y + 9 = - 10(x - 1)