Pre Assessment in Pre Calculus

Money in a bank triples every 8 years. If $100 is deposited today, what will its value be after 32 years?

• $8,500

• $8,100

• $1,600

• $400

The y-coordinate of the point of intersection of the graph of

-x + 4y = -50 and x + y = 20 is

• 6

• 0

• -14

• -6

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

The rectangular box shown has a square base and a closed top. The height is twice the length of one side of the base. Its surface area

in terms of x is

• 20x

• 8x + 2x²

• 10x²

• 6x

Tags

CCSS.6.G.A.4

If 2¹³ is approximately 8000, then, of the following, which best approximates 2²⁶?

• 640,000

• 6,400,000

• 64,000,000

• 8000¹³

2^-5 ⋅ 64^2/3 =

• 512

• 1

If f is a function whose graph is the parabola sketched below then f(x) < 0 whenever

• x < 1 or x > 3

• x > 3

• x < 1

• 1 < x < 3

If log₂ (x − 6) = 6 then x =

• 70

• 64

• 58

Tags

CCSS.HSF.BF.B.5

A function f is even if f(−x) = f(x) for each x in the domain of f. Of the following, which best represents the graph of an even function?

• 
• 
• 
• 

Tags

CCSS.HSF.BF.B.3

• 5, 7, − 3/2

• 5 or 3/2

• -5, 7, 3/2

• -5 or 3/2

Tags

CCSS.HSA.REI.A.2

Of the following, which best represents the graph of x² + y² − 2y = 0?

• 
• 
• 
• 

Tags

CCSS.HSG.GPE.A.1