Graphing Parabolas

Which of the following equations is a parabola?

• y = 2x + 4
• y = 2x³ + 4
• y = 2x² + 4
• y = 2^x

Which is the most basic equation of a parabola?

• y = x²
• y = 2x² + 3
• y = -x² -4
• y = -x²

What happens to the parabola when you multiply its equation by a number bigger than 1?

• Graph moves UP
• Graph gets WIDER
• Graph moves DOWN
• Graph gets NARROWER

What happens to the parabola when you multiply its equation by a number less than 1?

• Graph moves UP
• Graph gets WIDER
• Graph moves DOWN
• Graph gets NARROWER

Which of the following will be a sad parabola?

• y = x² -1
• y = -x²
• y = -x -1
• y = 3x²

What is the correct name for y = -x²?

• Reflection
• Translation
• Dilation
• Transformer

When you add a number to y=x²  what happens to the graph?

• Graph moves UP
• Graph moves to the RIGHT
• Graph moves DOWN
• Graph moves to the LEFT

When you subtract a number from y=x²  what happens to the graph?

• Graph moves UP
• Graph moves to the RIGHT
• Graph moves DOWN
• Graph moves to the LEFT

Which way does the graph move if the equation looks like y = (x - k)² ?

• Graph moves UP
• Graph moves to the RIGHT
• Graph moves DOWN
• Graph moves to the LEFT

Which way does the graph move if the equation looks like y = (x + k)² ?

• Graph moves UP
• Graph moves to the RIGHT
• Graph moves DOWN
• Graph moves to the LEFT