Mathematics, 22.05.2020 11:00 sonyfan

1 pts
(09.04)
Joyce is trying to solve the equation y = x2 – 8x + 7 using the quadratic formula. She has made an
error in one of the steps below. Find the step where Joyce went wrong.
-(8)V6852
Step 1:x=
- 4(1)(7)
2(1)
Step 2:x=
-(8) + V64 - 28
2(1)
Step 3:x=
-(8) + V36
2(1)
Step 4 x =
8 +6
2
(1 point)

Answers: 1

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 18:30

Find the exact value of each of the following. in each case, show your work and explain the steps you take to find the value. (a) sin 17π/6 (b) tan 13π/4 (c) sec 11π/3

Answers: 2

Answer

Mathematics, 22.06.2019 00:30

Which equation represents h for right triangle abc

Answers: 1

Answer

Mathematics, 22.06.2019 07:00

Ineed with this someone this test is timed and i need to pass.

Answers: 1

Answer

Mathematics, 22.06.2019 07:10

Find the area of right triangle abc.

Answers: 1

Answer

You know the right answer?

1 pts
(09.04)
Joyce is trying to solve the equation y = x2 – 8x + 7 using the quadratic...

Questions

Mathematics, 07.10.2020 08:01

С B A In the figure above AB - 4x +6 and BC - 72 +15. If AC = 120, find the length of segment AB...

SAT, 07.10.2020 08:01

Which of the following factors helps determine whether a volcanic eruption will be violent or relatively quiet? a. amount of dissolved gases in the m...

English, 07.10.2020 08:01

Mathematics, 07.10.2020 08:01

-3 + 5 +-5 + 8 ahaha ANSWER. pleas...

Biology, 07.10.2020 08:01

Which type of cell is shown? ...

History, 07.10.2020 08:01

The world is too much with us; late and soon, Getting and spending, we lay waste our powers:Little we see in Nature that is ours;We have...

History, 07.10.2020 08:01

Which statements best describe the effects of Cary’s Rebellion? Check all that apply. It showed that the proprietary government was located too far aw...

French, 07.10.2020 08:01

How do you say "anybody needs holy water?" and "i need bleach for my innocent eyes?" in french....

Spanish, 07.10.2020 08:01

A María le gusta___película....

History, 07.10.2020 08:01

What describes the importance of Hammurabis Code of Law...

Mathematics, 07.10.2020 08:01

wanda dougherty earned a weekly salary of $509 for the first 26 weeks of the year. she changed jobs and was paid a weekly salary of $576 for the last...

History, 07.10.2020 08:01

what forced king john of england to grant rights the nobility respect the rights of his subjects and accept limitations to his powers as king...

History, 07.10.2020 08:01

What is one of the successes of the settlers at Jamestown in 1607?...

Mathematics, 07.10.2020 08:01

Question 3 (5 points) In the figure below, JL and MK are segment bisectors of each other, m4JPK = 130° (the measure of angle JPK=130°), JP =...

History, 07.10.2020 08:01

Why did the Chinese trade natural resources along the Silk Road? to expand their territory into Central Asia to discover new religious beliefs...

History, 07.10.2020 08:01

In spring Florida plant respond to...

Chemistry, 07.10.2020 08:01

TIMED ASSIGNMENT If an object has a volume of 3 cm3 and has a density of 9 g/cm, what is the mass of the object? R. 3 grams S...

Mathematics, 07.10.2020 08:01

-1/4 divided by 7/4 and show the work!...

Social Studies, 07.10.2020 08:01

Whats a positive effect from the land bridge....

Geography, 07.10.2020 08:01

Which historical detail best helps clarify a reader’s understanding of the information in the excerpt?...

More questions: Mathematics Another questions