Raj plotted point L in the coordinate plane below.

Mathematics

2 answers:

Annette [7]3 years ago

8 0

Answer:

The answer is C. or The x- and y-coordinates are switched.

Step-by-step explanation:

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navik [9.2K]3 years ago

6 0

Answer:

Step-by-step explanation:

Given

$Point = (4,-1.5)$

See attachment

Required

Determine the error in the plot

The plot on the attached graph is represented with: $(-1.5, 4)$

This implies that Raj plotted the x coordinate on the y coordinate and vice versa.

Hence: (c) is true

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andrezito [222]

Answer:

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Step-by-step explanation:

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3 years ago

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damaskus [11]

<h2>Descartes Rule of Sign</h2><h3>Answer:</h3>

There are $3$ Real Roots for the Equation

<h3>Step-by-step explanation:</h3>

According to Descartes Rule of Sign, The maximum number of real roots a polynomial equation has is the number of times the sign of term changes from a higher power term to a lower power term.

In the given equation, $0=-4x^6-3x^5+2x^2-4x+1$ , we can already see that from $\red -4x^6$ to $\red -3x^5$ we can see that the sign didn't change so there might be no real roots. From $\red -3x^5$ to $\blue +2x^2$ , we can see that the signs change so we now know that there might be $1$ real root for equation. From $\blue +2x^2$ to $\red -4x$ , the signs changed so there might be $2$ real roots. From $\red -4x$ to $\blue +1$ , it changed again so there might be $3$ real roots. There are no other term with lesser power to compare for $\blue +1$ so we are left with $3$ real roots.