1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Gnom [1K]
3 years ago
15

How do you solve the quadratic equation x2+2x-15=0

Mathematics
1 answer:
vlabodo [156]3 years ago
3 0
X = -5 and 3

You solve using the quadratic equation by using the formula below where the coefficients of each term are the letters in alphabetical order. 

\frac{-b +/-  \sqrt{b^{2} -4ac} }{2a}
You might be interested in
Tom wants to reach a second floor window on a house that is 20 feet above ground. If he must put the ladder at a 70° angle to th
vovangra [49]
Let the ladder length be L, then

sin 70 = 20/L, L = 20/sin70 = 21.3 feet
the length of ladder is 21.3 feet
5 0
3 years ago
The average customer at Longhorn Steakhouse spends $26.00 per meal with a
ElenaW [278]
Key details

$26.00 per meal

You and your date = two people

10%

Work:
26.00 x 2 =52

52 x 10% = 5.2

52 + 5.2 =

$57.20

I hope this helped and was right, have a nice day.
7 0
3 years ago
What is the simplest form of this expression?
Dimas [21]

Answer:

(4-m-1)-5

Remove the bracket

= 4-m-1-5

= -2-m

Hope this helps.

7 0
4 years ago
Round 65754.59 to the nearest tenth
V125BC [204]
65754.6 because the 9 in the hundreds place bumps up the five in the tenths
8 0
3 years ago
Read 2 more answers
Brain test <br> This quiz is to answer guys
defon
A - The trip was 2 hours and 15 minutes which is also 135 minutes.
B - if the delays occurred the actual arrival time would be 11:15

Hope this helps !
8 0
3 years ago
Other questions:
  • Which set of points are collinear? P, T, Y D, S, Y H, T, S Y, D, H
    10·1 answer
  • Why might some countries be more reluctant than others to take steps to reduce levels of greenhouse gases?help!!!
    13·2 answers
  • Darcie wants to crochet a minimum of 3 blankets to donate to a homeless shelter. Darcie crochets at a rate of 1/15 ​ of a blanke
    15·2 answers
  • X^16/x^3<br><br>a. 16/x^3<br>b. x^48<br>c. x^19<br>d. x^13​
    6·2 answers
  • Janet has $60. If tax is 5%, will she have enough money left over to purchase a $12 movie ticket?
    13·1 answer
  • Your promotional budget for this year is $200 for personal selling, $400 for sales promotion, $1000 for advertising, and $700 fo
    7·2 answers
  • What is the slope of the line passing through the points (1, -5) and (4, 1)?
    10·2 answers
  • If you watched any or both of these movies, make a 5 sentence summary about it
    6·1 answer
  • Plslslslsllslslslslsls helpppppppppp
    5·1 answer
  • I NEED HELP !!! Right now!!!
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!