Find a polynomial function of lowest degree with rational coefficients that has the given numbers as some of its zeros.1 - i, -5
A. f(x) = x3 + 3x2 - 8x + 10
B. f(x) = x3 - 3x2 - 8x + 5
C. f(x) = x3 - 3x2 - 8x - 10
D. f(x) = x3 + 5x2 - 9x + 10
Answer: A
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Find sum of the pair of complex numbers.-4i, -8
A. -8 + 4i B. -8 - 4i C. -12i D. -4 - 8i
Find the limit, if it exists.
?
?
A. - 23 B. - 24 C. - 21 D. - 30 E. The limit does not exist
Write as a number.Round 628 to hundreds.
A. 500 B. 610 C. 600 D. 700
Answer the following statement(s) true (T) or false (F)
1. The sentence “a:b = c:d” is a ratio. 2. If x / y = a / b, then a/ x = b / y. 3. The mean proportional of m and n is m + n / 2. 4. If three angles of one triangle are congruent to three angles of a second triangle, then the triangles are similar. 5. If two triangles are similar, then they are congruent.