Factor the perfect square trinomial completely.x4 + 4x2 + 4
A. (x2 - 2)2
B. (x2 + 4)(x2 - 4)
C. (x2 + 2)(x2 - 2)
D. (x2 + 2)2
Answer: D
You might also like to view...
Find the period of the function.y = sin 3x
A. 3
B. 1
C. 2?
D. 
Use the sequence feature of a graphing calculator to evaluate the sum of the first 10 terms of the arithmetic sequence. Round to the nearest thousandth, if necessary.an = 
n + 
A. 117.944 B. 140.304 C. 116.212 D. 166.633
Use Descartes's rule of signs to discuss the possibilities for the roots of the equation. Do not solve the equation.-9x4 - 3x3 - 9x2 - 7x + 2 = 0
A. 
B. 
C. 
D. 
Refer to the following recipe to first estimate the answer and then use multiplication or division to find the exact answer. Simplify. Old Grandma's Fork Cookies 1
cups brown sugar 1
cups white sugar 1
cups shortening 1 pinch salt 3 eggs 2
tsp soda 2
/> tsp cream of tartar 1
tsp vanillaCream sugars and shortening. Beat in remaining ingredients. Add flour to stiffen like regular cookie dough. Roll into balls, then flatten with a fork. Cook until brown.If the recipe is tripled, how much soda will be needed?
A. Estimate: 9 tsp
Exact: 7
tsp
B. Estimate: 9 tbsp
Exact: 7
tbsp
C. Estimate: 6 tsp
Exact: 6
tsp
D. Estimate: 7
tsp
Exact: 9 tsp