Given A(a, b), B(a + m, b + n), and C(a - n, b + m). Prove that AB ? AC.
What will be an ideal response?
Answers will vary.
Slope of AB n/m and slope of AC = -m/n
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Simplify the ratio.36 : 20
A. 5 : 4 B. 9 : 5 C. 4 : 1 D. 5 : 9
Write the number in standard form.The world-wide production of cereal grains has reached about one billion, nine hundred 
million, four hundred six thousand, two hundred tons.
A. 1,962,406,020 B. 1,962,406,200 C. 1,962,6046,200 D. 1,962,460,200
Solve the equation on the interval 0 ? ? < 2?. sin ? + 
cos ? = -1
A. 
, 
B. 
, 
C. 0, 
D. 
, 
Use a graphing calculator to graph the function using the given viewing window. Use the graph to decide if the function is one-to-one. If the function is one-to-one, give the equation of the inverse function.f(x) = x3 - 3x2 - x + 3; [-2, 4] by [-20, 20]
A. one-to-one; f-1(x) = 
- x
B. one-to-one; f-1(x) = 
C. one-to-one; f-1(x) = 
D. not one-to-one