Solve the equation. State whether the equation is a contradiction, an identity, or a conditional equation.4x - 4 + 2x + 5 = 8x - 2x - 2

A. {0}; conditional equation
B. {1}; conditional equation
C. all real numbers; identity
D. ? or { }; contradiction


Answer: D

Mathematics

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Find the absolute extreme values of the function on the interval.F(x) = - , 0.5 ? x ? 3

A. absolute maximum is  at x = ; absolute minimum is -12 at x =3
B. absolute maximum is -  at x = ; absolute minimum is -12 at x = -3
C. absolute maximum is -  at x = 3; absolute minimum is -12 at x = -  
D. absolute maximum is -  at x = 3; absolute minimum is -12 at x =  

Mathematics

Multiply or divide the fractions. Reduce to simplest form. ÷ 

A.
B.
C.  
D.

Mathematics

Factor completely. If the polynomial is prime, state so.343x3 - y3

A. (7x - y)(49x2 + y2) B. (7x - y)(49x2 + 7xy + y2) C. (7x + y)(49x2 - 7xy + y2) D. (343x - y)(x2 + 7xy + y2)

Mathematics

Solve the equation.t - (-9) = 23

A. t = 14 B. t = -14 C. t = -32 D. t = 32

Mathematics