HS - Similtatous equations

• Maths
• Secondary Education

HS - Similtanuous equations

What is the graphical representation?

1. Curves that never meet
2. Lines intersecting at a point

What method can solve simultaneous equations?

1. Substitution or elimination
2. Graphing only

How many solutions can simultaneous equations have?

1. One, none, or infinitely many
2. Exactly two solutions only

What is a simultaneous equation?

1. An equation with one variable
2. Two or more equations together

When might you need to multiply an equation?

1. To make equations simpler
2. To change variable signs
3. To equalise coefficients
4. To eliminate constants

Which operation is commonly used in elimination?

1. Multiplication only
2. Addition or subtraction
3. Exponentiation only
4. Division only

What is the goal of elimination method?

1. To simplify the equations
2. To find variable values
3. To factor the equations
4. To graph the equations

What do you eliminate in the elimination method?

1. Both variables
2. The constant
3. One variable
4. The coefficients

What is the first step in elimination method?

1. Multiply both equations
2. Substitute a variable
3. Add coefficients together
4. Align the equations vertically

What does 'solving' simultaneous equations mean?

1. Graphing the equations
2. Finding values for variables
3. Multiplying equations
4. Adding coefficients

How many solutions can simultaneous equations have?

1. Only one
2. One, none, or infinitely many
3. Exactly two
4. Only three

What does 'x + y = 10' represent?

1. A parabola
2. An absolute value
3. A linear equation
4. A circle

Which method can solve simultaneous equations?

1. Graphing only
2. Substitution method
3. Quadratic formula
4. Exponential method

What is a simultaneous equation?

1. Two or more equations together
2. One equation only
3. An inequality
4. A quadratic equation

What is the solution of x + y = 10 and x - y = 2?

1. x = 4, y = 6.
2. x = 6, y = 4.
3. x = 8, y = 2.
4. x = 5, y = 5.

What is the graphical representation of equations?

1. Points on a number line.
2. Lines intersecting at a point.
3. Curved graphs only.
4. No visual representation.

Which method can be used to solve them?

1. Quadratic formula only.
2. Long division method.
3. Substitution method.
4. Factorisation method.

What does it mean to 'solve' simultaneous equations?

1. Graphing the equations only.
2. Finding the values of variables.
3. Ignoring one equation.
4. Adding the equations together.

What is a simultaneous equation?

1. Two equations solved together.
2. One equation with one variable.
3. An equation without a solution.
4. A polynomial equation.