2 years ago

Can someone help me with this it’s urgent what’s the answer or property of this problem C?

1 answer:

ELEN [110]2 years ago

4 0

Answer:

yes they both equal 2 1/2

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BabaBlast [244]

Answer:

<h3> sum of the roots: $x_1+x_2=4\frac12$ </h3><h3> product of the roots: $x_1x_2=-5$ </h3><h3> Step-by-step explanation:</h3>

$2x^2-9x-10=0\quad\implies\quad a=2\,,\ b=-9\,,\ c=-10$

$b^2-4ac=(-9)^2-4(2)(-10)=81+80=161>0$

From Vieta's formulas applied to quadratic polynomial we have:

if $b^2-4ac\geqslant0$ then

sum of roots: $x_1+x_2=-\dfrac ba=-\dfrac{-9}2=4\frac12$

product of the roots: $x_1x_2=\dfrac ca=\dfrac{-10}2=-5$

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2 years ago

Anton [14]

Answer:

Ok I look now what

Step-by-step explanation:

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2 years ago

Bumek [7]

We can factor a -2 and an x^2 out of this using GCF.

<h3><u>-2x^2(x - 3) is what we're left with, and is the fully factored form.</u></h3>

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2 years ago

adell [148]

Answer:

32.

Step-by-step explanation:

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2 years ago

muminat

Answer:5.4×105+2.3×104.

Step-by-step explanation:

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2 years ago