Algebra Review
Solve for x
Business Functions
Extrema
Limits
100

Expand (do not solve) this equation:

(2x-3)2

What is

4x2-12x+9

100

Solve for x:

-6x-8=-26

What is x = 3?

100

MR co. manufactures & sells desks, and is trying to anticipate future revenue of a new product -- Desk Prime. Based on internal data, MR co. estimates they will sell 1.2k units, and they plan to sell each Desk Prime for $75.

Estimated future revenue of MR co.'s Desk Prime is $_____.

What is $90,000?


R = q*p

Where q=1,200 & p=$75.

100

Find the location of the extrema of the function f(t).

f(t) = 3t2-12t+9

What is x=2?

100

Evaluate the limit as x-->2 for the expression:

g(x) = 3x2-5x+2

What is 4?

200

Simplify this expression:

6-2x2+25

34

200

Solve for x:

-3 + 2(x+4) = 25

What is x = 10?

200

ABC Co. manufactures and produces pens. It costs ABC Co. $3 to produce each pen. ABC Co. rents their pen-manufacturing equipment from ZYX LLC. ABC Co. pays ZYX LLC. a flat fee of $250, regardless of how many pens ABC Co. produces.

The total cost of producing 100 pens is $______.

What is $550?

C = q*p + F

Where q=100, p=3, & F=250.

200

Find the location of the min/max of the function g(t).

g(t)=-5x2+11

What is 0?

200

Evaluate the function at the limit given:

lim x-->5- , f(x) = 3/(x-5)

What is negative infinity?

300

Evaluate the following when a=-3 b=-4 

(3a+2b)/2

What is -17/2?

300

Solve for x:

4-(x+2) = 2x + 3(x-8)

What is x=13/3?

300

LMN Corp. provides tutoring services to students. Their operating costs include paying the wages of their tutors, who make $16/hr, and a flat fee of $400 for the space they operate in. The budget for the tutoring service during Winter Term 2024 was $19,600, and was fully spent.

The amount of hours worked during Winter Term 2024 by tutors is _____.

What is 1,200 hours?

300

Find the location & value of the min/max of the function h(k).

h(k)=x2-4x

What is (2, -4)?

300

Evaluate the function at the given limit:

lim z-->0 , z(t)= (t2-1)/(t2+1)

What is -1?

400

Distribute & simplify this expression:

(36a3bc2)/(24ab4c2)

What is (3a2/2b3)?

400

Solve for x:

(2/5)(15-10x)-(3/8)(24-16x)=(4/3)(3x-21)

What is x=(25/2)?

400

GLO LLC. produces and sells backpacks. During August 2025, GLO LLC. produced 1,200 backpacks at a unit price of $4/backpack, and reported the total cost of backpack production as $15,000.

The fixed cost of GLO LLC.'s August 2025 production was $_____.

What is $10,200?

400

Find the value of the max/min of the function y(x).

y(x) = x2-10x+21

What is -4?

400

Evaluate the function at the given limit:

lim y--> (-) infinity ,  x(y) = (x3-2x)/(4x2+1)

What is DNE?

Or (+) infinity

500

Factor this expression:

7x2+14x-21

What is

7(x+3)(x-1)?

500

Solve for x:

(1/4)(x-3)+(2/3)(6x+4) = -2

What is x = -47/51?

500

RZA Co. manufactures and sells the iLaptop. Producing one iLaptop costs RZA Co. $25, and RZA Co. sells each iLaptop for $100. RZA Co. also pays a $1875 flat-fee for the equipment they use to make the iLaptops. Assume that RZA Co. sells all of the iLaptops they produce.

The quantity of iLaptops made/sold in order to reach market equilibrium is ______.

What is 25 iLaptops?

500

Find the vertex of the function h(x).

h(x)=3(x-2)2+7

What is (2,7)?

500

Evaluate the function at the given limit:

lim h--> (+) infinity , g(h) = (h2-5h)/(5h3-2)

What is 0?