How can these algebra equations be solved?

Posted on 2015-09-18 07:04:00 in Math by PAUL

For the equation:
y = 4x - 2 over 5 (2 over 5 is a fraction)

i. What is the gradient of the line described by this equation?

ii. What is the y-intercept of this equation?

b) What is the equation of the line running parallel to the line in part a and passes through the point (0,7)?

c) The line: y + ax = c passes through the points (1,5) and (3,1). How do I find a and c?

2. a) Plot the following equations on the same set of axes:
y = x(squared) + x + 2.
y = -x + 5

A table of coordinates for each equation using x values between -4 and 2.

b_ Solve the equation:
x(squared) + x + 2 = -x + 5

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