Determine whether the graph of the quadratic function opens up or down.f(x) = 6x2 - 4x - 2
A. down
B. up
Answer: B
Mathematics
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Write < or > between the pair of numbers to make the statement true.2.1 ? -2.7
A. > B. <
Mathematics
Provide an appropriate response.Find the radius of a sector whose central angle is 3.1 radians and whose area is 24.8 sq m.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Use substitution to determine whether the given number is a zero of the given polynomial.-3; g(x) = x4 - 4x2 + 7
A. Yes B. No
Mathematics
The triangles are similar. Find the missing length x and the missing angles A, B, C. 
A. x = 7 units; A = 43°; B = 41°; C = 96° B. x = 21 units; A = 96°; B = 41°; C = 43° C. x = 7 units; A = 96°; B = 41°; C = 43° D. x = 21 units; A = 41°; B = 96°; C = 43°
Mathematics