Answer:
-3 two minuses make a plus so it's-6+3=-3
Hello,
y=x²-7x+18
y''=2>0 ==> opens up.
Answer C
Answer:
The answer is: still (0,0) the answer does not change if it is still both zeroes.
Step-by-step explanation:
90 degrees clockwise rotation
Mapping rule: (x, y) ⇒ (y, -x) Switch the coordinate numbers and turn the y coordinate into negative.
EXAMPLE: (4, 1) ⇒ (1, -4)
Answer:
486
Step-by-step explanation:
for the 2nd term, add 5 to -9
for the 3rd, add 5 × 2 to -9
for the 4th, add 5 × 3 to -9
:
for the 100th, add 5 × (100 - 1) to -9
=> 5 × 99 + (-9)
=> 486
