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
pav-90 [236]
3 years ago
9

Solve quadratic equation X^2+6x+7=0

Mathematics
2 answers:
Diano4ka-milaya [45]3 years ago
5 0
Using the quadratic formula.
Hope this helps.

earnstyle [38]3 years ago
3 0
We can't facotr this
for
ax^2+bx+c=0
x=\frac{-b+/- \sqrt{b^2-4ac} }{2a}
1x^2+6x+7
x=\frac{-6+/- \sqrt{6^2-4(1)(7)} }{2(1)}
x=\frac{-6+/- \sqrt{36-28} }{2}
x=\frac{-6+/- \sqrt{8} }{2}
x=\frac{-6+/- 4\sqrt{2} }{2}
x=-3+/- 2\sqrt{2}


x=-3+ 2\sqrt{2} and x=-3- 2\sqrt{2}


You might be interested in
A box contains 2 3/4
Juli2301 [7.4K]

Answer:

.55 or 11/20

Step-by-step explanation:

multiply 2 3/4 by 1/5 to get the pounds of apples Sage uses.

5 0
3 years ago
Solve for x. 35x+5=45 Enter your answer in the box.
Serga [27]
35x+5= 45

Subtract 5 on both sides. 

35x=40

Divide both sides by 35. 

x= 8/7 (simplified)

I hope this helps!
~kaikers
3 0
3 years ago
Read 2 more answers
Solve: -5(x+2)+6=3(x+4)
pantera1 [17]

Answer:

x=-2

Step-by-step explanation:

3 0
3 years ago
Find all real numbers t such that (2/3)t - 1 < t + 7 ≤ -2t + 15. Give your answer as an interval.
Andrews [41]
Break up chain with AND statement:

(2/3)t - 1 < t + 7 AND <span>t + 7 ≤ -2t + 15

left side, we solve for t
</span>
<span>(2/3)t - 1 < t + 7
(2/3)t - t < 7 + 1
(-1/3)t < 8
t > -24

right side, we solve for t</span>
<span>t + 7 ≤ -2t + 15
t + 2t </span><span>≤ 15 - 7
3t </span><span>≤ 8
t </span><span>≤ 8/3

So our answer would be </span>
t > -24 AND t <span>≤ 8/3

as an interval, this is
</span>-24 < t <span>≤ 8/3
or in interval notation
(-24, 8/3]</span>
8 0
4 years ago
Plot 2/25 on the number line.
S_A_V [24]
The answer would be .8
6 0
3 years ago
Read 2 more answers
Other questions:
  • Solve the inequality.<br><br><br> d<br> −7<br> ≤ −3
    14·1 answer
  • Keith sees a food vendor and realizes that he is hungry. He has $7 cash in his pocket. Look at the menu and determine which of t
    7·2 answers
  • A rectangular area has dimensions 432 feet by 345 feet. Using front-end estimation on the dimensions, what is an estimate of the
    14·1 answer
  • Help!!! I don’t get this
    14·2 answers
  • PLEASE HELP BRAINIEST!❤️
    6·1 answer
  • Camille is making a wall-mounted bookshelf. It has 2 shelves, with a third piece of wood intersecting them. To support the shelv
    7·1 answer
  • Maya scored 32 out of 40 for a Math's test and 41 out of 55 for a science's test. For which test did she score a lower percentag
    5·2 answers
  • Simplify the expression below: 2(5x - 3y)​
    10·1 answer
  • What is the rate of change of
    13·1 answer
  • Find the value of a?
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!