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BabaBlast [244]

2 years ago

14

One postive interger is 5 less than another. The product of the two intergerd id 24. What are the intergers?

1 answer:

Nesterboy [21]2 years ago

4 0

Your function will be 24=X+(Y+5)

to solve you subtract 5 from each side giving you 19=X+Y now you divide the 19 by 2 so you figure out the base integers giving you 9.5

now you add 5 to one of your integers meaning 9.5+5=14.5

so your integers are 9.5 and 14.5

to check this you do 14.5-9.5 which equal 5 now you do 14.5+9.5 which equals 24

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2 years ago

Which of the following represents the zeros of f(x) = 2x3 − 5x2 − 28x + 15?

likoan [24]

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$a_0=15,\:\quad a_n=2$

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$\mathrm{Therefore,\:check\:the\:following\:rational\:numbers:\quad }\pm \frac{1,\:3,\:5,\:15}{1,\:2}$

$-\frac{3}{1}\mathrm{\:is\:a\:root\:of\:the\:expression,\:so\:factor\:out\:}x+3$

$-\frac{3}{1}\mathrm{\:is\:a\:root\:of\:the\:expression,\:so\:factor\:out\:}x+3$

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$=\left(x+3\right)\left(2x^2-11x+5\right)$

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$\left(x+3\right)\left(x-5\right)\left(2x-1\right)=0$

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thus zeros of f(x) is

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