Solving Exponential and Logarithmic Equations

Question 1

Which graph shows the solution to the equation 4x – 3 = 8?

Revolt · Accepted Answer

mc001-3.jpg

Question 2

Identify the solutions. The of the points where the graphs of the equations intersect are the solutions to the original equation.

Revolt · Accepted Answer

x-coordinates

Question 3

The equation 4e2 + 2x = x – 3 has .

Revolt · Accepted Answer

no solution

Question 4

To solve e4 – 3x = x + 9 by graphing, which equations should be graphed?

Revolt · Accepted Answer

y = x + 9; y = e4 – 3x

Question 5

y = 4e2 + 2x and y =

Revolt · Accepted Answer

x – 3; Selection 1: x – 3; Selection 2: x-coordinates; Selection 3: no solution

Question 6

Question 8

Revolt · Accepted Answer

The solution is approximately 1.7 because it is the x-value of the intersection of the functions.

Question 7

Find the solutions to the equation 102x + 11 = (x + 6)2 – 2. Which values are approximate solutions to the equation? Select two answers.

Revolt · Accepted Answer

–9.6; –2.4

Solving Exponential and Logarithmic Equations Answers