
Math 10_ Q2-Module 1: Summative Test
Quiz by Dona Aquino
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- Q1
1. What should be the value of n in f(x) = xn if f(x) is a polynomial function?
any rational number
a non-negative integer
any number except 0
an integer
30sM10AL-IIa-1 - Q2
2. Which of the following is not a polynomial function?
f(x) =x
f(x) = 4x - 2x-5
f(x) = 4x3 + x
f(x) = -x3 - x + 1
30sM10AL-IIa-1 - Q3
3. What is the leading coefficient of 𝑔(𝑥)= 8𝑥 − 5𝑥7 + 𝑥4?
-3
8
4
-5
30sM10AL-IIa-1 - Q4
4. How should the polynomial function 𝑓(𝑥) = −𝑥 + 2𝑥3 + 3𝑥5− 6 be written in standard form?
𝑓(𝑥) = 3𝑥5+ 2𝑥3 + 𝑥 − 6
𝑓(𝑥) = 2𝑥3− 𝑥 + 3𝑥5 − 6
𝑓(𝑥)= 3𝑥5 + 2𝑥3 − 𝑥 − 6
𝑓(𝑥) = −𝑥+ 2𝑥3 + 3𝑥5 − 6
30sM10AL-IIa-1 - Q5
5. What are the x-intercepts in the given graph?
x = -1, -1
x = -1, 1
x = -1
x = 1
30sM10AL-IIa-1 - Q6
6. In Figure 1, which of the following is the y-intercept?
1
-2
0
2
30sM10AL-IIa-1 - Q7
7. Which of the following could be the graph of 𝑔(𝑥) = 𝑥3 + 2𝑥2 +1?
A
D.
B
C
30sM10AL-IIa-1 - Q8
8. Using the leading coefficient test, what could be the behavior of the graph of 𝑓(𝑥) = −𝑥3 +𝑥2 − 19?
Falling on the left and rising on the right end of the graph.
Rising on both left and right end of the graph.
Rising on the left and falling on the right end of the graph.
Falling on both left and right end of the graph.
30sM10AL-IIa-1 - Q9
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?
750
1, 875
750, 000
1, 500
30sM10AL-IIb-2 - Q10
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?
₱ 709 990
₱ 400
₱ 790 593
₱ 850 390
30sM10AL-IIb-2