Provide an appropriate response.A student sees 
worked on the board using 
where 
and 
The student sees 
on a test. Can the same formula be used?
What will be an ideal response?
No, the student should use 
where 
and 
Mathematics
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Simplify the variable expression below.
a - 
a
A. 
a
B. 
a
C. 
a
D. 
a
E. 
a
Mathematics
Find all cube roots of the complex number. Leave answers in trigonometric form.125
A. 5 cis 90°, 5 cis 210°, 5 cis 330° B. 5 cis 0°, 5 cis 60°, 5 cis 120° C. 5 cis 45°, 5 cis 165°, 5 cis 325° D. 5 cis 0°, 5 cis 120°, 5 cis 240°
Mathematics
Graph the inequality.x + 2y ? 5
A. 
B. 
C. 
D. 
Mathematics
Use Descartes's Rule of Signs to determine the possible number of positive and negative real zeros for the given function.f(x) = 7x4 - 10x3 + x2 - 3.5x + 20
A. 4 or 2 positive zeros, no negative zeros B. 4 positive zeros, no negative zeros C. 4, 2 or 0 positive zeros, 1 negative zeros D. 4, 2 or 0 positive zeros, no negative zeros
Mathematics