S3G3EM C05 : Application of Graphs_03

What is the given equation corresponding to?

• Linear

• Quadratic

• Cubic

• Exponential

Without drawing, can you tell how will the graph look like?

• Smiley face

• Sad face

• Straight line

• Exponential

In order to find the gradient at t=4, we must first construct a

• tangent

• horizontal line

• vertical line

Which is the correct formula to calculate the gradient of a line?

• (y2 - y1) / (x2 - x1)
• (y1 + y2) / (x1 + x2)
• (y1 - y2) / (x1 - x2)
• (x2 - x1) / (y2 - y1)