Referring to triangle ABC, find the area of the triangle.
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?
Round to three significant digits.
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A. 12.7 m2
B. 12.4 m2
C. 12.8 m2
D. 12.6 m2
E. 13.1 m2
Answer: C
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Divide.-2.76 ÷ 6
A. 0.46 B. 0.6 C. -0.6 D. -0.46
Complete the following: (i) Find the x- and y-intercepts. (ii) Determine the multiplicity of each zero of f. (iii) Graph y = f(x).f(x) = 3(x + 2)(x + 1)2
A. (i) x-ints are -2 and 1; the y-int is 6
(ii) -2 has multiplicity 1,
1 has multiplicity 2;
(iii)
B. (i) x-ints are -2 and -1; the y-int is 6
(ii) -2 has multiplicity 1,
-1 has multiplicity 2;
(iii)
C. (i) x-ints are 2 and 1; the y-int is -6
(ii) 2 has multiplicity 1,
1 has multiplicity 2;
(iii)
D. (i) x-ints are -2 and -1; the y-int is 12
(ii) -2 has multiplicity 2,
-1 has multiplicity 1;
(iii)
Solve the right triangle for all missing sides and angles to the nearest tenth.
c = 19B = 65°
A. A = 25°, a = 45, b = 21 B. A = 25°, a = 8.9, b = 21 C. A = 25°, a = 21, b = 45 D. A = 25°, a = 8, b = 17.2
Perform the operation and write the result in the standard form.(-4 + 7i) + (7 + 7i)
A. -3 + 14i B. 3 + 21i C. 7 + 14i D. 3 + 14i