Perform the indicated operation and write the answer in lowest terms.
+ 
A. 
B. 
C. 
D. 
Answer: C
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How many ways are there to arrange 12 students into groups of 3? ?
A. 1,320 B. 12(11) C. ?220 D. 110 E. ?12!(3!)
Solve the problem.Let Q(x) = bo + b1(x - a) + b2(x - a)2 be a quadratic approximation to f(x) at x = a with the properties:i. Q(a) = f(a)ii. Q '(a) = f '(a)iii. Q "(a) = f "(a)(a) Find the quadratic approximation to f(x) = 
at x = 0.(b) Do you expect the quadratic approximation to be more or less accurate than the linearization? Give reasons for your answer.
What will be an ideal response?
Add or subtract. Simplify the answer.
- 
A. 
B. 
C. 
D. 
Answer the following statement(s) true (T) or false (F)
1. An obtuse triangle has at least two obtuse angles. 2. All regular quadrilaterals have four lines of symmetry. 3. All regular polygons tessellate the plane. 4. The parallel sides in a trapezoid are called the legs of the trapezoid. 5. Regular polygons are polygons with all sides congruent and all angles congruent.