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ollegr [7]
3 years ago
11

Which are the solutions or the quadratic equation?

Mathematics
1 answer:
evablogger [386]3 years ago
5 0
Quadratic equation x=-b+-√b²-4ac
                                   ----------------               x=ax²+bx+c
                                          2a

a song to remember is : x equals opposite b plus or minus square root b squared minus 4ac all over 2a
-hoped it helped good luck
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The interest rate charged on a credit card account each month is called what?
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Percentage rate ? Xxxx
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3 years ago
Which ordered pair is a solution of the equation y-4=7(x-6)
never [62]

Answer:

first we will check if the coordinate (5,4) is a solution:

you fill in only the X-coordinate (or the y-coordinate). I fill in 5 for X:

y-4 = 7(5-6)

now we have to work this out like:

y-4 = 7 • -1

y -4 = -7

y = -3 if the coordinate was the solution for the y-coordinate the answer should be 4 but it isn't so coordinate (5,4) isn't a solution.

the same goes for coordinate (6,5):

y-4 = 7 (6-6)

y-4 = 0

y = 4 if the coordinate was the solution for the y-coordinate the answer should be 5 but it isn't so coordinate (6,5) isn't a solution.

so the answer is neither

4 0
3 years ago
Read 2 more answers
-10 - 9x = -1<br> show/explain ur work
atroni [7]

Answer:

Solution

=

−

1

so x=-1

Step-by-step explanation:

dont ever forget to simplify or the answer will be inncorrect ! :0 gooluck with school hope i helped

3 0
3 years ago
The graph of f(x) and g(x)=f(x) + k is shown on the coordinate plane.<br> k = _ ?
Alenkasestr [34]

Answer:

k = 10

Step-by-step explanation:

f(x) has been moved up 10 units to get g(x).  So, k = 10

6 0
3 years ago
the slope of the line below is -3. use the coordinates of the labeled point to find a slope-point equation of the line. (5,-7)
HACTEHA [7]

\bf (\stackrel{x_1}{5}~,~\stackrel{y_1}{-7})~\hspace{10em} slope = m\implies -3 \\\\\\ \begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-(-7)=-3(x-5) \\\\\\ y+7=-3x+15\implies y=-3x+8

5 0
3 years ago
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