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Sholpan [36]
3 years ago
5

How to solve a quadratic equation by making a perfect square?

Mathematics
1 answer:
Serggg [28]3 years ago
3 0
1.  Rewrite the equation in the form x2 +bx<span> = </span>c.
2.  Add to both sides the term needed to complete the square.
3.  Factor the perfect square trinomial.
<span>4.  Solve the resulting equation by using the square root property.</span>
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Can someone help me with this problem?
pashok25 [27]
No, it is not a solution.

Let's plug 5 into the equation where p is.

10(5) - 2 > 97

50 - 2 > 97

48 > 97

This is false, 48 is less than 97.
7 0
4 years ago
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PLEASE HELP QUICKKKKKKKKKKK
ddd [48]

Answer:

\frac{0.04}{n}, or \frac{1}{25n}

Step-by-step explanation:

To divide, we can use fractions. So we can say that 0.04 divided by n is \frac{0.04}{n}, or \frac{1}{25n}.

8 0
4 years ago
You are purchasing four items and want to calculate the tax. The items cost $2.50, $8.75, $3.00, and $10.25. The tax rate is 6%.
kap26 [50]
The tax is normally done to the total so add the prices up  2.50+8.75+3.00+10.25=24.5
 percent is 6%
 percent means parts out of 100 so
 6%=6/100=0.6/10=0.06/1=0.06* 6% of total* <span>'of'' translates to multiply
</span> 24.50 times 0.06=tax=1.47
7 0
3 years ago
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If the jar contains 21 dimes, then determine how much money it has in it. Show your calculation.​
Andrew [12]

Answer:

2 dollars and 10 cents

Step-by-step explanation: 21 dimes divided by 10 is 2.1 so it will be 2 dollrs and 10 cents.

4 0
3 years ago
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What is the standard form of the equation?
Vlad [161]

Answer:

hello :  y = 3x² -24x +26 ......answer: C

Step-by-step explanation:

y = 3(x-4)² -22

by idetity : (x-4)² = x²- 8x+16

y = 3(x²- 8x+16 ) -22

y = 3x² - 24x +48 -22

y = 3x² -24x +26 ......answer: C

4 0
3 years ago
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