ALG2 30 Week Review

Divide

• 1/6

• x+10/ 6x+60

• x+8/ 6x+60

• (x+10)(x+8)/ 6x+60

Tags

CCSS.HSA.APR.D.6

Try on your own. Solve for all values of x and exclude any extraneous roots.

Tags

CCSS.HSA.REI.A.2

A circle whose center is (6, -4) and a point that lies on the circle is (6, 3). Write the equation in standard form.

• (x - 6)² + (y + 4)² = 49

• (x + 4)² + (y - 6)² = 49

• (x - 6)² + (y + 4)² = 55

• x² + y² = 55

Tags

CCSS.HSG.GPE.A.1

Write 1 + 4 + 9 + ... + 49

using sigma notation

Tags

CCSS.HSF.BF.A.2

How long will it take $3000 to double if it is invested in an account that pays 3% compounded continuously, using y = Pe^rt?

• 23.1 years

• 22.1 years

• 21.1 years

• 20.1 years

Tags

CCSS.HSF.LE.A.4

The local power company plans to raise rates to cover the increased cost of producing power. They determine the costs will increase by 4.2% per year for the next 10 years. If you paid a total of $1031.60 for power last year, what would you expect to pay for power over the next 10 years? 

• $13,020.97
• $10,316.00
• $2,704.97
• $12,500.98

Tags

CCSS.HSF.BF.A.2

Which of the following is a solution to the system

y = (x-1)² - 2

x - y = 1

• (0, -1)

• (1, 4)

• (3, 20)

• (9, 1)

• No Solution

Tags

CCSS.HSA.REI.C.7

Given this directrix and vertex, what would the equation of the parabola be?

• (y-2)² = 12(x-1)
• (y-2)² = 6(x-1)
• (x-1)² = 12(y-2)
• (x-1)² = 6(y-2)

sin(5π/3)

• -√3/2
• -√2/2
• -1/2
• √3/2

Tags

CCSS.HSF.TF.A.2

Tags

CCSS.HSF.TF.C.8