exam Maths Puzzle Numerical Ability

Graph y= 2x^2-7

Read Solution (Total 0)

exam Other Question

two ships leave a harbor traveling on courses that have an angle of 120 degrees between them. if they each travel 515 miles how far apart are they (to the nearest mile)? I have my final tomorrow and cannot figure these problems out. I need to know HOW to work the problem out.

1. Find the slope and the y-intercept for the follwing equation of a line.
y=1/3x-2/3

2. same as above but for 6x + 3y = 12