SOLVING LOGARITHMIC EQUATIONS USING TECHNOLOGY

A student solved the equation below by graphing. log6(x-1) = log2(2x+2) Which statement about the graph is true?

A

What is the approximate value of x in the equation below. log3/425 = 3x-1

A

Which expression can be used to approximate the expression below, for all positive numbers a, b, and x, where a ≠ 1 and b ≠ 1? logax

A

Which expression results when the change of base formula is applied to log4(x+2)?

A

Tenisha solved the equation below by graphing a system of equations. log35x = log5(2x+8) Which point approximates the solution for Tenisha's system of equations?

B

Tyler applied the change of base formula to a logarithmic expression. The resulting expression is shown below. log 1/4 / log12 Which expression could be Tyler's original expression?

B

Devonte used the change of base formula to approximate log825. Which expression did Devonte use?

D

Omar wants to graph the system of equations below. log6x = log2(x+4) Which system of equations should Omar use?

D

Which is equivalent to log2n = 4?

D

Consider the equation below. log4(x=3)=log2(2+x) Which system of equations can represent the equation?

NOT B

Kim solved the equation below by graphing a system of equations. log2(3x-1) = log4(x+8) What is the approximate solution to the equation?

NOT B NOT D