Answer:
She did not use the reciprocal of the divisor.
She added the numerators.
Google on the word SCALAR. that's the word your looking for
Answer:
mulltiply
Step-by-step explanation: you mulitply all
√72 = √4 * √18 = 2√18. Therefore her answer is incorrect.
√72 = √4 * √9 * √2 = 6√2.
Since √2 is approximately 1.41,
6 * 1.41 = 8.46 = 8.5 (nearest tenth).
Answer:
f(3) = -13
Step-by-step explanation:
f(x)= - x²-4 (not (-x)²)
f(3) = - 3² - 4 = - 9 - 4 = -13
