2 years ago

Express x^2+4x-7 in the form (x+a)^2-b where a and b are integers

Mathematics

1 answer:

lukranit [14]2 years ago

4 0

Answer:

(x + 2)^2 - 11.

Step-by-step explanation:

f(x) = x^2 + 4x - 7

Now x^2 + 4x = (x + 2)^2 - 4 so we have:

f(x) = (x + 2)^2 - 4 - 7

f(x) = (x + 2)^2 - 11.

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Which of the following transformations has the same result as a rotation of 90 degrees clockwise?

krek1111 [17]

The best and most correct answer among the choices provided by your question is the second choice or letter B.

Reflection of a horizontal line has the same result as a rotation of 90 degrees clockwise.

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3 0

3 years ago

Read 2 more answers

What function is the inverse of the exponential function y = (1.5)x?

vagabundo [1.1K]

Correct question is;

What function is the inverse of the exponential function y = 1.5^(x)?

Answer:

y = log_1.5_x

Step-by-step explanation:

The inverse of exponential functions is usually written in form of logarithm.

For example inverse of y = p^(x) will be written as; y = log_p_(x)