Provide an appropriate response.Tell what words you would use in a telephone conversation with a classmate (who missed class) to explain how to find the least common denominator of a group of denominators.
What will be an ideal response?
Answers will vary. Explanations should include:
? Factor each denominator into prime factors.
? List each different denominator factor the greatest number of times it appears in any of the denominators.
? Multiply the denominator factors from Step 2 to get the LCD.
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Evaluate the polynomial or polynomial function for the given value of the variable.6x3 - 4x2 + 32 for x = -2
A. -32 B. -8 C. -44 D. -42
Write the sum in summation notation.
- 
+ 
- . . . - 
A. 
B. 
C. 
D. 
Match the equation to its graph.y2 = 11x
A. 
B. 
C. 
D. 
Solve the problem.Suppose an animal feed to be mixed from soybean meal and oats must contain at least 100 lb of protein, 20 lb of fat, and 12 lb of mineral ash. Each 100-lb sack of soybean meal costs $20 and contains 50 lb of protein, 10 lb of fat, and 8 lb of mineral ash. Each 100-lb sack of alfalfa costs $11 and contains 30 lb of protein, 8 lb of fat, and 3 lb of mineral ash. How many sacks of each should be used to satisfy the minimum requirements at minimum cost? Fractional sacks are allowed.
A. 2 sacks of soybeans and 0 sacks of alfalfa
B. 
sacks of soybeans and 
sacks of alfalfa
C. 0 sacks of soybeans and 4 sacks of alfalfa
D. 
sack of soybeans and 
sacks of alfalfa