britelamp40b1x britelamp40b1x

23-04-2018
Mathematics

contestada

Solve the quadratic equation. (x + 6)2 = 49
A) x = -7 or 1
B) x = 13 or -1
C) x = 1 or -13
D) x = ± 7

Respuesta :

MrsStrong MrsStrong

10-01-2019

Answer:

C

Step-by-step explanation:

To solve, use inverse operations:

[tex](x+6)^2=49\\\sqrt{(x+6)^2} =\sqrt{49} \\x+6=+/-7[/tex]

Now we solve for both +/- 7.

x+6=7

x=1

x+6=-7

x=-13

Answer Link

Otras preguntas

What is a number between 364 and 384 that is a multiple of both 3 and 7

out of 40 chocolates, ram and i shared in the ratio 1:3 . how many chocolates did ram get?

A client is admitted to the surgical unit from the postanesthesia care unit with a Salem sump nasogastric tube that is to be attached to wall suction. Which nur

Read the passage below and use your word structure strategy to help you determine the meaning of the underlined words in the passage. Write the meanings of eac

Write the superlative form of the following word. Friendly

Which of the following circles lie completely within the fourth quadrant? Check all that apply. A. (X-12)^2 + (y+0)^2= 72 B. (X-2)^2 + (y+7)^2= 64 C. (X-9)^9 +

Is the graph increasing, decreasing, or contrast?

What is Functional conditioning?

A pair of parallel lines is cut by a transversal. One of the angles formed measures 58°. Which statements about the other seven angles formed are true? There ar

Which is an accurate statement about ramses II? Answers: He built a huge monument to his wife. He built a new capital at cairo He designed a wall to protect his