GRAPHS AND WORD PROBLEMS INVOLVING POLYNOMIAL FUNCTIONS

Quiz by Diana Belen

Mathematics

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20 questions
• Q1

Which of the following is NOT a polynomial function?

$f\left\left(x\right\right)=\ -\frac\left\{1\right\}\left\{2\right\}^\left\{\ \right\}x^\left\{4\ \right\}$

$f\left\left(x\right\right)=\ 3x$

$f\left\left(x\right\right)=\ -x^\left\{\frac\left\{1\right\}\left\{4\right\}\right\}-2x^\left\{5\ \right\}$

$f\left\left(x\right\right)=\ -x^\left\{3\ \right\}+\ \sqrt\left\{7\right\}\ \ x$

30s
• Q2
30s
• Q3
30s
• Q4

Given the graph, what are the x- intercepts?

$x=\ -3,\ 1,\ 2,\ 2,\ 4$

$x=\ -3,\ 1,\ 2,\ 4$

$x=\ -1,\ -2,\ -4\ ,\ 3$

$x=1,2,3,4$

30s
• Q5
30s
• Q6

Which of  the following polynomial functions has a graph that both left and right ends are rising?

$f\left\left(x\right\right)=3x^4-2x^3+5x\ -6$

$f\left\left(x\right\right)=\ -x^4+x^2-8$

$f\left\left(x\right\right)=\ 2x^\left\{^3\right\}-x^2+1$

$f\left\left(x\right\right)\ =\ -2x^3+7x-9$

30s
• Q7
30s
• Q8

_______ is a point of the graph where the graph changes direction from going up to going down or going down to going up.

turning point

coordinates point

maximum point

intercepts

30s
• Q9

Which of the following is the y- intercept of the given graph.

$-3$

$1$

$4$

2

30s
• Q10
30s
• Q11
30s
• Q12

The turning point of this graph is _____.

at most 2

3

at most 3

2

30s
• Q13
30s
• Q14
30s
• Q15
30s

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