Mathematics, 18.08.2019 20:10 pr47723

X(exponent 2)+7x+6 quadratic formula

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Next time, use the carrot for exponent like this:

x^2+7x+6=0

The first term is a , the second is b and the last is C

Quadratic is ax^2+bx+c=0

The formula is -(b) +- squareroot(b^2 -4(a)(c)) all over two a

So youve got:

-7 +- square root (49-4(1)(6)) divided by 2(1)
Simplify
-7 +- squareroot(49-24) / 2

-7 +- square root (25) / 2
25 is a perfect square of five, so tou have

(-7 + 5)/2 And (-7-5)/2

You answers should be : -1 & -6

Answer from: deedee363

X² + 7x + 6 = 0
x = -(7) +/- √((7)² - 4(1)(6))
   2(1)
x = -7 +/- √(49 - 24)
      2
x = -7 +/- √(25)
   2
x = -7 +/- 5
2
x = -7 + 5 x = -7 - 5
      2    2
x = 2     x = -12
      2 2
x = 1     x = -6

The solution is equal to {1, -6}.

Answer from: Quest

answer set (b) 0.5, 3/4 80% is in order from least to greatest.

step-by-step explanation:

in order to compare rational numbers to each other, it is much easier if they are in the same form. typically, the best form in which to evaluate rational numbers is in decimals. in order to convert a percent to a decimal, you would divide the given percentage by 100. you can also accomplish the conversion by moving the decimal point over two places to the left. for example, the decimal value of 80% is 80/100, or 0.8. in order to convert a fraction to a decimal, you need to divide the numerator by the denominator. for example, 3/4 is 0.75. so, for choice (b) 0.5 3/4 (0.75), 80% (0.8) is the only choice in which the numbers are in order from least to greatest.

Answer from: Quest

the sum of the lengths of any two sides of a triangle is greater than the length of the third side. if you take the three sides of a triangle and add them in pairs, the sum is greater than (not equal to) the third side. if that is not true, then it is not possible to construct a triangle with the given side lengths.

step-by-step explanation:

Which are the possible side lengths of a triangle?

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