Solving logs and exponentials

2^x = 17 If you are solving for an exponent you must

• take the log... of both sides

• exponentiate both sides

• divide both sides by 2

Tags

CCSS.HSF.BF.B.5

​ Solving 2^x = 17, first​ (a)   .
Next, ​ (b)   .

Last, ​ (c)   .

ln 17 / ln 2 ​ (d)   .

• take the ln of both sides
• bring the x down
• exponentiate both sides
• divide both sides by ln 2
• is the same has ln (17/2)
• cry

Tags

CCSS.HSF.BF.B.5

Simplify

Factor for practice

• (x - 4)(x + 1)

• (x - 4)(x - 1)

• (x + 4)(x - 1)

• (x - 3)(x + 4)