Finding a Polynomial Function with Given Zeros In Exercises 65 − 70 , find the polynomial function f with real coefficients that has the given degree, zeros, and function value. Degree Zeros Function Value 4 − 2 , 1 , i f ( 0 ) = − 4
Finding a Polynomial Function with Given Zeros In Exercises 65 − 70 , find the polynomial function f with real coefficients that has the given degree, zeros, and function value. Degree Zeros Function Value 4 − 2 , 1 , i f ( 0 ) = − 4
Solution Summary: The author calculates the polynomial function of degree 3 with zeroes 2,i, that has a real coefficient.
Finding a Polynomial Function with Given Zeros In Exercises
65
−
70
, find the polynomial function
f
with real coefficients that has the given degree, zeros, and function value.
Degree
Zeros
Function Value
4
−
2
,
1
,
i
f
(
0
)
=
−
4
Combination of a real number and an imaginary number. They are numbers of the form a + b , where a and b are real numbers and i is an imaginary unit. Complex numbers are an extended idea of one-dimensional number line to two-dimensional complex plane.
7. From a point 20 m away on a level ground, the angle of elevation to the bottom of a
the top of the window is 32°. Calculate the
window is 27° and the angle of elevatim
height of the window.
(3 marks)
32
SOUCAHTOA
Rom
Coso-Adj
opponite
1270
H
X
Hyp
Tant=OPP
Adj
20 #
Zom
Adjacent
CoS2E 20 XHX Tanz 20
20
K
-0.0445503261 -1.764201788
0-044550326 60044550320
(1 mark) 3960
8. All odd numbers from 1 to 10 are arranged in descending order to form a number.
(i) Write the number.
35798.
97531
31
(ii) Write the total value of the second digit of the number formed in (a) (i)
FA 7X1000-7000
이
(1 mark)
9. A cylinder has a diameter of 28 cm and the height is 18 cm. Calculate its volume.
2
22 × 14 × 14 × 18
-110880m
3
(3 marks)
10. The figure below shows a right pyramid with AB = 3 cm, BC = 5 cm, and AV
VC = VD = 4 cm. Draw its net.
V
3+
12
7/18
(2/20
2105
SSS
20
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