SUMMATIVE TEST: M1,Q2
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- Q1
What should be the value of n in f(x) = xnΒ if f(x) is a polynomial function
an integer
any rational number
any number except 0
a non-negative integer
30sM10AL-IIa-1 - Q2
Which of the following is NOT a polynomial function?
π(π₯) = β7x
π(π₯) = βπ₯3 β π₯ + 1
π(π₯) = 4π₯3 + x
π(π₯) = 4π₯ β 2π₯-5
30sM10AL-IIa-1 - Q3
What is the leading coefficient of π(π₯) = 8π₯ β 5π₯7 + π₯4?
-3
4
8
-5
30sM10AL-IIa-1 - Q4
How should the polynomial function π(π₯) = βπ₯ + 2π₯3 + 3π₯5 β 6 be written in standard form?
π(π₯) = 3π₯5 + 2π₯3 β π₯ β 6
π(π₯) = 3π₯5 + 2π₯3 + π₯ β 6
π(π₯) = 2π₯3 β π₯ + 3π₯5 β 6
π(π₯) = β 6 βπ₯ + 2π₯3 + 3π₯5Β
30sM10AL-IIa-1 - Q5
What are the x-intercepts in the given graph
x = -1, 1
x = -1, -1
x = -1
x = 1
30sM10AL-IIa-1 - Q6
Which of the following could be the graph of π(π₯) = π₯3 + 2π₯2 + 1?
30sM10AL-IIa-1 - Q7
Using leading coefficient test, what could be the behavior of the graph ofΒ Β Β Β Β Β Β Β Β Β π(π₯) = βπ₯3Β + π₯2 β 19?
Falling on both left and right end of the graph.
Falling on the left and rising on the right end of the graph.
Rising on the left and falling on the right end of the graph.
Rising on both left and right end of the graph.
30sM10AL-IIa-1 - Q8
A companyβs profit in thousands of pesos is determined by the number of branches x it operates: π(π₯) = π₯(π₯ β 15)(π₯ β 20). What is the profit if x = 5?
750 000
1500
750Β
1875
60sM10AL-IIa-1 - Q9
A sales manager of a shoe factory determines that its profit, P, in thousands of pesos, can be modeled by the function π(π₯) = 0.7π₯3 +π₯2 β 10, where x represents the number of pair of shoes sold. What is the profit when there are 100 pairs of shoes sold?
β± 850 390
β± 709 990
β± 790 593
β± 400
60s - Q10
Given the graph, which of the following is the y- intercept?
2
-1
0
1
60s