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.
1. False—It is a proportion.
2. True
3. False—The mean proportional is ?mn.
4. True
5. False :There are many counterexamples.
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Solve the problem.A multiplier of 2.18 corresponds to a percentage increase or decrease of what percent?
A. 218% increase B. 118% increase C. 118% decrease D. 180% increase
Find the measure of the unknown angle of the triangle.
A. 48° B. 24° C. 66° D. 114°
Find the zeros of the function algebraically.
?
?
A. x = 0, 16
B. 
C. 
D. 
E. 
Find a function P(x) of least possible degree, having real coefficients, with the given zeros.4 + 
, 4 - 
, and 3
A. P(x) = x3 - 11x2 + 34x - 30 B. P(x) = x3 + 11x2 + 34x - 30 C. P(x) = x3 - 13x2 + 34x + 32 D. P(x) = x3 - 13x2 + 34x + 30