Determine whether the given equation is an identity.
+ 
= - 
A. Yes
B. No
Answer: B
Mathematics
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Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.sin ? = 
, tan ? < 0Find sin(2?).
A. - 
B. 
C. 
D. 
Mathematics
Find the axis of symmetry of the given function.y = 9x2 - 72x + 145
A. x = 4 B. x = 1 C. x = 0 D. x = -1
Mathematics
Find the coordinates of the vertex and x-intercepts for the quadratic function.f(x) = x2 + 6x + 8
A. vertex (-3, 1) x-intercepts (-2, 0), (- 4, 0) B. vertex (-3, -1) x-intercepts (-2, 0), (- 4, 0) C. vertex (3, -1) x-intercepts (2, 0), (4, 0) D. vertex (3, 1) x-intercepts (2, 0), (4, 0)
Mathematics
Factor completely. If prime, so indicate.16a2 - 121b2
A. prime B. (4a - 11b)2 C. (4a + 11b)(4a - 11b) D. (4a + 11b)2
Mathematics