Question
Asked Oct 7, 2019
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Find the horizontal intercepts as a list of ordered pairs.

f(x)=2x2+4x−5

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Expert Answer

Step 1

From the sketch shown below, note that on the horizaontal intercepts, y=0. Using this concept we solve the question.

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VERTICAL INTERCEPT HORIZONTAL INTERCEPT

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Step 2

Since y is to be equal to 0; f(x)=0

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f(x) 0 2x4x-5 0 (4)-4(2)5) -4+ 2(2) -4+(4) -4(2)-5) x = 2(2) -4+56 x = 4 -4+214 4 -2+14 2

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Step 3

Hence the ordered ...

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( -2+14 -,0 2 -2-14 ,0and 2

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MathCalculus

Functions

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