Answer:
Option A

Step-by-step explanation:
This is because here,
PQ is the Height of the right triangle.
QR is the Base of the right triangle.
PR is the Hypotenuse of the right triangle.
So, as according to Pythagoras Theorem,

Also,

Not,

Hence, Option A is not correct.
Answer:
B. (-0.5, 5.75)
Step-by-step explanation:
I graphed the equation on the graph below to find the vertex of the equation.
Answer:
Step-by-step explanation:
2 less then the product of 9 and a number is 4
" the product " is the result of multiplication
the product of 9 and a number...9x
2 less......-2
is 4...= 4
9x - 2 = 4 <===
Answer:
1. 115; obtuse
2. 130; obtuse
3. 50; acute
4. 108; obtuse
Step-by-step explanation:
Answer:
A. A reflection over the x-axis and a vertical stretch.
Step-by-step explanation:
Let
, to obtain
, we need to use the following two operations:
(i) Vertical stretch
, 
(ii) Reflection over the x-axis

Let prove both transformations in
:
Step 1 - Vertical stretch (
)

Step 2 - Reflection over the x-axis

Hence, correct answer is A.