![amycressey1970](/avatars/19025.jpg)
amycressey1970
11.05.2021 •
Mathematics
Write a STORY to match the equation " x + 1/2 = 10 "
Solved
Show answers
More tips
Answers on questions: Mathematics
- M Mathematics Help algebra exam - test- regent...
- M Mathematics Mr. Taylor has 24 sports trophies. Of the trophies, 1 8 are wrestling trophies. How many wrestling trophies does Mr. Taylor have?...
- M Mathematics Can somebody please help me with this? I’ll give you a)...
- M Mathematics Mark brainiest for correct answer , I don’t understand this...
- M Mathematics Which number produces an irrational number when multiplied by 1/3...
- M Mathematics ILL GIVE BRAINLESTTTTTT...
- M Mathematics Someone help me with this question please...
- M Mathematics Divide. Write the answer in lowest terms and as a whole or mixed number if possible 16/8/7...
- M Mathematics X^2-3x+2/x-1 graph the equation using the RATEY method...
- M Mathematics PLEASE ANSWER ASAP What is the measure of angle q°?540°95°150°100°...
Ответ:
(x - sqrt(10) ) * (x+sqrt(10)) =0
making 2 of the 4 solutions equal:
3.1623 and -3.1623
I then used an algebraic long division calculator
http://calculus-calculator.com/longdivision/
to calculate:
x^4 + 5x^3 ‒ x^2 ‒ 50x ‒ 90 divided by x^2 -10 which equals
x^2 + 5x + 9
Using the quadratic formula, the roots of that equation are:
x = -5 + sqrt (-11) / 2
and
x = -5 - sqrt (-11) / 2
Both of those roots are not real.
I tried using online graphing calculators for x^4+5x^3-x^2-50x-90=0 but none worked.
2. For this equation,
3x^2 ‒ 8x + k = 0
I used my OWN quadratic formula calculator
http://www.1728.org/quadratc.htm
and found that real roots no longer exist after "k" is greater than 5.3