
Math 10_ Q2-Module 1: Summative Test
Quiz by Dona Aquino
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1. What should be the value of n in f(x) = xn if f(x) is a polynomial function?
2. Which of the following is not a polynomial function?
3. What is the leading coefficient of 𝑔(𝑥)= 8𝑥 − 5𝑥7 + 𝑥4?
4. How should the polynomial function 𝑓(𝑥) = −𝑥 + 2𝑥3 + 3𝑥5− 6 be written in standard form?
5. What are the x-intercepts in the given graph?
6. In Figure 1, which of the following is the y-intercept?
7. Which of the following could be the graph of 𝑔(𝑥) = 𝑥3 + 2𝑥2 +1?
8. Using the leading coefficient test, what could be the behavior of the graph of 𝑓(𝑥) = −𝑥3 +𝑥2 − 19?
9. A company’s profit in thousands of pesos is determined by the number of branches x it operates: 𝑃(𝑥) = 𝑥(𝑥 − 15)(𝑥 −20). What is the profit if x =5?
10. A sales manager of a shoe factory determines that its profit, P, in thousands of pesos, can be modeled by the function 𝑃(𝑥) = 0.7𝑥3 + 𝑥2− 10, where x represents the number of pair of shoes sold. What is the profit when there are 100 pairs of shoes sold?