Integer
Function and Solving Equation
Demand & Supply and Market Equlibrium
100

Is it rational or irrational number?

Irrational Number

100

What is linear line equation?

y = mx + c

100

When price goes up, quantity goes down and price goes down, quantity goes up. What curve am I?

Demand Curve

200

How many type of interger? And what are they?

3 types. Positive, Negative, and Zero

200

A line has slope of -1 and crosses the y-axis at 5. 

What is the value of x when y = 2.


x = 3

200

When price goes up, quantity goes up and price goes down, quantity goes down. What curve am I? and what relationship between price and quantity?

Supply Curve and Positive relationship.

300

pi multiply by root of 2. Result is rational or irrational numbers.

Irrational Numbers.

300

A straight line has slope of -3 and crosses the point (20,10). What is the value of y on this line when x = 5?

y = 55

300

In glasses market, when price(P) 20, 30, and 40 dollars total sales(Q) is 120, 70, 20 units, respectively. Find the demand equation.

P = 44 - 0.2Q or Q = 220 - 5P

400

Choose one of the number between 10 to 99 that sumation of those digits is 12,
and the position of those digits is switched,
the new number is 18 more than the original number.
What is the original number?

57

400

A company produces:

 • 500 shirts at a total cost of $12,500, and

 • 300 pants at a total cost of $6,600. 

Each shirt is sold for a 24% profit on the cost price per shirt, and each pant is sold for $1 more than the selling price of a shirt. 

Which product provides more profit, and by how much?

Their profit is equal. At 3,000 baht.

400

The demand for a product is represented by the equation: Qd = 50 - 2P

The supply of the product is represented by the equation: Qs = 10 + 3P

Where  Qd  is quantity demanded,  Qs  is quantity supplied, and  P  is price.

Find the equilibrium price and quantity.

P* = 8, Q* = 34

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