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GAME MATEMATIKA

Elisabeth Susa
2
ปัญหาที่เพิ่มเข้ามา (10/ 20)
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public quiz

ปัญหา 1

เลือกประเภท

What is a Linear Equation in Two Variables (PLDV)?

  • An equation with two variables, both raised to the power of one.
  • An equation with three variables, one of which is squared.
  • An equation with a single variable raised to the power of two.
  • An equation with no variables.

ปัญหา 2

เลือกประเภท

Who introduced the term 'Linear Equation'?

  • Isaac Newton
  • Rene Descartes
  • Carl Friedrich Gauss
  • Wilhelm Jordan

ปัญหา 3

เลือกประเภท

What is a coefficient in an algebraic expression?

  • A constant number added to the variables.
  • A variable that changes depending on the equation.
  • A number in front of a variable indicating how many times the variable is used.
  • A symbol representing an unknown quantity.

ปัญหา 4

เลือกประเภท

What is a constant in an equation?

  • A variable that changes with conditions.
  • A fixed number that doesn't change regardless of the variable values.
  • A number that multiplies the variable.
  • An operation sign in an equation.

ปัญหา 5

เลือกประเภท

How do you solve a Linear Equation in Two Variables using the elimination method?

  • By graphing both equations and finding their intersection.
  • By substituting one equation into the other.
  • By eliminating one variable to find the value of the other.
  • By guessing the values of variables.

ปัญหา 6

เลือกประเภท

Which mathematician is known for refining the elimination method?

  • Isaac Newton
  • Carl Friedrich Gauss
  • Wilhelm Jordan
  • Rene Descartes

ปัญหา 7

เลือกประเภท

What is the first step in solving 2x + 3y = 6 and x - y = 3 using the elimination method?

  • Eliminate the variable x by making its coefficients equal.
  • Eliminate the variable y by making its coefficients equal.
  • Substitute y in terms of x in one equation.
  • Add both equations directly.

ปัญหา 8

เลือกประเภท

What does the term 'variable' refer to in algebra?

  • A constant number in an equation.
  • A placeholder for unknown values, usually represented by letters.
  • A type of coefficient.
  • An equation without an unknown.

ปัญหา 9

เลือกประเภท

In the equation 5x + 3y = 15, what is the term '5x' known as?

  • A coefficient
  • A constant
  • A variable
  • A term

ปัญหา 10

เลือกประเภท

What method involves expressing one variable in terms of another and substituting it?

  • Graphical method
  • Elimination method
  • Substitution method
  • Trial and error
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