GRAPHS AND WORD PROBLEMS INVOLVING POLYNOMIAL FUNCTIONS

Quiz by Diana Belen

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- Q1
Which of the following is NOT a polynomial function?

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

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

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

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

30s - Q230s
- Q330s
- Q4
Given the graph, what are the x- intercepts?

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

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

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

$x=1,2,3,4$

30s - Q530s
- Q6
Which of the following polynomial functions has a graph that both left and right ends are rising?

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

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

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

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

30s - Q730s
- 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 - Q1030s
- Q1130s
- Q12
The turning point of this graph is _____.

at most 2

3

at most 3

2

30s - Q1330s
- Q1430s
- Q1530s