Find the real solutions, if any, of the equation. Use the quadratic formula.2x2 - x + 9 = 0
A. 
B. 
C. 
D. no real solution
Answer: D
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Solve.One-eighth of the parts tooled by a machine are rejects. How many parts must be tooled to ensure 7175 acceptable ones?
A. 8400 B. 7800 C. 7500 D. 8200
Use the graph of the relation to identify the domain and range.y = x2 + 9
A. domain: (-?, ?) range: (9, ?) B. domain: (-?, ?) range: [-9, 9] C. domain: (-?, ?) range: [9, ?) D. domain: (-?, ?) range: (-?, ?)
Classify as true or false.If a and b are even, then GCD(a, b) must be 2.
A. True B. False
Use the properties of parallel lines to solve the problem.If m 
n and m(?6) = 126°, what are the measures of the other angles?
A. m(?2) = m(?4) = m(?8) = 126°, m(?1) = m(?3) = m(?5) = m(?7) = 64° B. m(?5) = m(?7) = m(?8) = 126°, m(?1) = m(?2) = m(?3) = m(?4) = 54° C. m(?2) = m(?4) = m(?8) = 126°, m(?1) = m(?3) = m(?5) = m(?7) = 54° D. m(?2) = m(?4) = m(?8) = 126°, m(?1) = m(?3) = m(?5) = m(?7) = 36°