torreswendy1402 torreswendy1402
  • 02-08-2017
  • Mathematics
contestada

Solve by taking square roots: x^2 - 40 = 9

Respuesta :

deku
deku deku
  • 02-08-2017
To solve for x^2 - 40 = 9, take the square roots of both sides and solve.
The answer is x = 7, -7.
Answer Link
Аноним Аноним
  • 02-08-2017
[tex] x^{2} -40= 9[/tex]

[tex] x^{2} = 49[/tex]

[tex] \sqrt{ x^{2} } = \sqrt{49} [/tex]

x = +7 or -7
Answer Link

Otras preguntas

A line passes through the points (3,5) and (2,0). What is the slope of the line? A) m = -5 B m = 5 c m = 6 D m = -6 Part B What is the y-intercept of the line?
Please please please IM BEGGING
The cold war never evolved fighting with weapons between the U.S. and the Soviet Union True or False I don't know the answer so please help me!
Solve for x 3(x+2)+4(x-5)=10
What is the law of inertia? Give an example of inertia in action.
Somebody list about 9 facts about pangea! I need help quick!!
3(8u+6)+7u? can someone answer this
1. What mountain ranges on Earth would require you to take oxygen with you to reach the peak? Find at least two mountains. Be sure to include their elevations a
PLS help ASAP I DONT have time to answer this, it also detects if it’s right or wrong.
nuskhe ke liye ek sentence bnado plz? in urdu​