1. Which describes the parametric equations x=t-1 and y=-t+2? A. y=-x+3 The orientation is up to the right
B. y=-x+3 The orientation is down to the right
C. y=-x+1 The orientation is up to the right
D. y=-x+1 The orientation is down to the right

2. Which describes the conic section with parametric equations x=2 cos t and y=4 sin t?
A. 1=x^2/4+y^2/16; an ellipse with vertical major axis
B. 1=x^2/4-y^2/16; a hyperbola with horizontal transverse axis
C. 1=x^2/16+y^2/4; an ellipse with horizontal major axis
D. 1=x^2/16-y^2/4; a hyperbola with vertical transverse axis

3. A skateboarder goes off of a ramp at a speed of 52ft./s. The ramp is 5ft. above the ground with a 30° angle of elevation. Which set of parametric equations represents the skater's jump? The acceleration due to gravity is 32ft./s^2.
A. x=26√3t+5 and y=-16t^2+26t+5
B. x=36√3t and y=-16t^2+26t+5
C. 26t+5 and y=-16t^2+26√3t+5
D. 26√3t and y=-16t^2+26t