Mathematics, 26.01.2021 20:30 wwwvio7565

Kimberly solved -3x^2- 12 = 0 using the steps below. Equation: -3x^2- 12 = 0
Step 1: -3x^2= 12
Step 2: x^2= -4
Step 3: x= +2
Did Kimberly solve the quadratic equation correctly? If not, which step is mathematically incorrect?
Kimberly solved the quadratic equation correctly.
Kimberly made a mistake in step 1
Kimberly made a mistake in step 2.
Kimberly made a mistake in step 3.

Kimberly solved -3x^2- 12 = 0 using the steps below.

Equation: -3x^2- 12 = 0
Step 1: -3x^2= 12
St

Answers: 1

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 14:30

Given f(t) = 282 - 53 +1, determine the function value f(2). do not include f(z) = in your answer

Answers: 1

Answer

Mathematics, 21.06.2019 17:30

Danielle earns a 7.25% commission on everything she sells at the electronics store where she works. she also earns a base salary of $750 per week. what were her sales last week if her total earnings for the week were $1,076.25?

Answers: 3

Answer

Mathematics, 21.06.2019 18:00

Marla bought a book for $12.95, a binder for $3.49, and a backpack for $44.99. the sales tax rate is 6%. find the amount of tax and the total she paid for these items

Answers: 3

Answer

Mathematics, 21.06.2019 18:00

Galen sold tickets of his church’s carnival for a total of $2,820. children’s tickets cost $3 each and adult tickets cost $5 each. the number of children’s tickets sold was 30 more than 3 times the number of adult tickets slod. how many children’s ticket and how many adult tickets did he sell?

Answers: 2

Answer

You know the right answer?

Kimberly solved -3x^2- 12 = 0 using the steps below. Equation: -3x^2- 12 = 0
Step 1: -3x^2= 1...

Questions

Mathematics, 24.11.2020 22:30

The lengths of a particular animal's pregnancies are approximately normally distributed, with mean, μ = 272 days and standard deviation, σ = 16 days....

Mathematics, 24.11.2020 22:30

The line segments are translated 2 units to the right to form E′F′ and G′H′. Which statement describes E′F′ and G′H′? a Line segments E′F...