Use the FOIL method to find the product. Express the product in descending powers of the variable.(-4x2 + 2)(-4x2 - 8)
A. -8x4 + 24x2 - 16
B. 16x4 + 24x2 - 16
C. 16x4 + 24x2 + 24
D. -8x4 + 24x2 + 24
Answer: B
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Decide whether the following is an expression or an equation.18 + 7(x - 3)
A. Expression B. Equation
The circle or ellipse shown in the calculator-generated graph was created using function mode with a square viewing window. What are the two functions y1 and y2 that were used to obtain the graph whose equation is given?
+ 
= 1
A. 
, 
B. 
, 
C. 
, 
D. 
, 
Graph the equation.x2 + 
= 1
A. 
B. 
C. 
D. 
Provide an appropriate response.The series of sketches below starts with a square having sides of length 1 (one). In the following steps, squares are constructed by joining, in order, the midpoints of the sides of the previous square. Develop a formula for the perimeter of the nth square.
height="42" width="80" /> What will be an ideal response?