AnswersFL-1200330-Algebra 2 CRSolving Exponential and Logarithmic Equations

Solving Exponential and Logarithmic Equations Answers

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1
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Which graph shows the solution to the equation 4x – 3 = 8?

A
Option
B
Option
C
Option
D
Option
2
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Identify the solutions. The origin x-coordinatesy-coordinates of the points where the graphs of the equations intersect are the solutions to the original equation.

A
origin
B
x-coordinates
C
y-coordinates
3

The equation 4e2 + 2x = x – 3 has no solutionone solutiontwo solutions.

A
no solution
B
one solution
C
two solutions
4

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

Question illustration
A
y = 0
B
y = x + 9
C
y = e4 – 3x – x + 9
D
y = x + 9 + e4 – 3x
E
y = e4 – 3x
5

y = 4e2 + 2x and y = xx – 33x

A
x
B
– 3
C
3x
6

What is the solution to the equation ? Round to the nearest tenth.

Question illustration
A
0.6
B
0.7
C
1.6
D
5.2
7

t » years

Answer:

6

8

The solution is approximately 1.7 because it is the x-value of the intersection of the functions.The solution is approximately –3.5 because it is the y-value of the intersection of the functions.There is no solution to the equation.The two solutions to the equation are 1.7 and –3.5 because that is the intersection of the functions.

A
The solution is approximately 1.7 because it is the x-value of the intersection of the functions.
B
The solution is approximately –3.5 because it is the y-value of the intersection of the functions.
C
There is no solution to the equation.
D
The two solutions to the equation are 1.7 and –3.5 because that is the intersection of the functions.
9

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

A
–9.6
B
–7.4
C
–4.6
D
–2.4
E
0.6
10

Solve by graphing. Round to the nearest tenth.x

Question illustration
Answer:

1.8

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