In the figure, AB || DC and ?B ? ?D. Prove that AD || BC
?BAC ? ?ACD (alternate interior angles) and AC ? AC . So ?ABC ??CDA by
AAS. Then ?BCA ? ?CAD by C.P. and then AD || BC, since alternate interior angles are congruent.
Mathematics
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Provide an appropriate response.Factor by grouping: 2x2 + 17x + 8
A. (2x + 1)(x + 8) B. (2x + 4)(x + 2) C. (2x + 8)(x + 1) D. (2x + 2)(x + 4)
Mathematics
Use a graphing calculator to solve the equation. Round your answer to two decimal places.ex = x2 - 1
A. {-1.15} B. {2.54} C. {0} D. {-0.71}
Mathematics
Graph the hyperbola.
- 
= 1
A. 
B. 
C. 
D. 
Mathematics
Write the expression in expanded form.logax2yz6
A. 2 logax ? logay ? 6logaz B. loga2x + logay + loga6z C. (logax)2 + logay + (logaz)6 D. 2 logax + logay + 6logaz
Mathematics