Xgirl909 Xgirl909
  • 22-08-2020
  • Mathematics
contestada

Enter the solutions from least to greatest. -2x^2 -9=-107

Respuesta :

Space
Space Space
  • 22-08-2020

Answer:

x = -7, 7

Step-by-step explanation:

Step 1: Write out equation

-2x² - 9 = -107

Step 2: Add 9 on both sides

-2x² = -98

Step 3: Divide both sides by -2

x² = 49

Step 4: Square root both sides

x = ±7

Step 5: Arrange

-7 < 7

So x = -7, 7

Answer Link

Otras preguntas

Each time Allison goes to the recycling center , she takes 10 bags of cans . She will go twice this month 3 times next month ,and once the following month . How
School pennants cost $18 each. Ms. says she will pay $146 for 7 pennants. Is this a fair price?
45% of $432 = Show work
some people argue that voting is a civic responsibility
Which of the following is an example of a trochee? A. happy B. perhaps C. today
Which colonial leader helped form a Franco-American alliance in 1778? A.General Burgoyne B.John Adams C.Benjamin Franklin D.George Washington
what is the function of DNA?
an object with more inertia is both harder to _____ and to _______ ...?
Justin is considering two websites for downloading music.The costs are detailed here. Website 1: a yearly fee of $30 and $1.50 for each download Website 2: $2
What is the difference between a steep and shallow slope?