What type of transformation transforms (a, b) to (−a, b)?
2 answers:
Answer:
Option A is correct
a reflection over the y-axis
Step-by-step explanation:
The rule of reflection over y-axis is given by:
As per the statement:
Given the transform,
(a, b) to (-a, b)
By definition of reflection;
The given transform is, a reflection over the y-axis
Therefore, a transformation is, a reflection over the y-axis
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Answer:
The three consecutive integers are 12, 13, 14.
Step-by-step explanation:
Encode the question in an equation. We are given two facts: (1) the three integers are consecutive, and (2) they relate to each other through a sum.
Pick any of the integers (first, second, or third) and call it n. Then write the two others correspondingly in terms of n. I pick the middle one as n, so the three consecutive integers are (n-1), n, (n+1). That's (1). As for (2), here is the fact:
Lo and behold, one equation with one unknown! Easy to solve for n to give us the middle integer, n:
The three consecutive integers are 12, 13, 14.