Revision 2 /Sem2 Week 8 2022

• 6

• 7

• -17

• 2

What is the gradient for the following linear equation:

• 12

• -12

• 6

• 3

What is the Y axis intercept of the following equation:

• 2

• 5

• 6

• 3

By taking logarithms of both sides of y=ae^kx, please show first that the resultant equation is linear. What is the gradient of the linear equation?

• lna

• klna

• k

• a

Plot first, the graphs of y = 2x² + x and y = x +2 from x = -3 to x = 3 on the same axis. What are the coordinates of the points of intersection? (please write your answer in the form( x₁,y₁) and (x₂,y₂))

(a)  

• 16⁰24'48"

• 15⁰24'48"

• 16⁰25'48"

• 15⁰25'48"

• 46⁰

• 42⁰

• 56⁰

• 32⁰

• 4.85

• 3.75

• 1.67

• 3.35

• 50km/hr

• 15km/hr

• 12.5km/hr

• 15.5km/hr

What are all of the angles between 0⁰and 360⁰ whose sine is 0.6792?

• 45.78⁰ and 136.22⁰

• 42.78⁰ and 137.22⁰

• 136.22⁰ and 45.78⁰

• 137.22⁰ and 42.78⁰