kreginaite kreginaite

29-01-2021
Mathematics

contestada

express x²+4x-7 in the form (x+a)²-b where a and be are integers

Respuesta :

tisaeb14 tisaeb14

29-01-2021

Answer:

(x + 2)^2 - 11.

Step-by-step explanation:

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

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

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

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

Answer Link

Otras preguntas

Choose the correct plural and singular and plural possessive forms of the word below. Singular Form: mouse Singular Possessive Plural Form: Plural Possessive:

Mr. Martin was comparing two random samples of students test scores from his Algebra III 1st and 3rd block classes: Test scores from 1st block: 92,84,85,77,60,9

Which of the following fractions is no t equivalent to 8/22 ? help plz

10 POINTS Who predicted that all moving objects have wavelike behavior? If what he says is true why can you not observe the wavelike behavior of a baseball as

how did the nations shaded in red differ from nations shaded in blue A) Communist governments were established in the areas in red, while the countries in the b

Danika concludes that the following functions are inverses of each other because f(g(x)) = x. Do you agree with Danika? Explain your reasoning. f(x) = |x| g(x)

Which of the following values represents an index of refraction of an actual material? A. 0 B. .25 C. .5 D. 1.25

A _________ is generally considered an appreciating asset because it will _________ in value over time. Acar; increase Bcar; decrease Chouse; increase Dhouse; d

Which number make this equation true? v2 +10v +16=(v+8)(v+?) A.2 B.4 C.6 D.8

Floyd is an aspiring music artist. He has a record contract that pays him a base rate of $200 dollar sign, 200 a month and an additional $12 for each album that