Algebra And Trig 20 questions

Solve the system of equations.

8x+8y = -32

-Zx+y = 74

2. Find the stope, m, and the y intercept, b, in the following function:

3. Find the value of b the y intercept, in the functi on: 2x_y = 4

4. Rewrite the function y = 1+21;_9; in slope-intercept form.

ls the function y = ffia linear equafion? ff not, explain *t y nor.

6. Solve forx: 4x_9 =23

7. How manysolutions does the equation 5x +g =_2 have?

8. How many solutions does the equation 3x + 4(x + g) = 7x + g have?

9. Express the quantity as a linear function of the variable m: The cost of driving a rentar car m mifes in one day, from a rentar car cornpany that crday plui g0.20 per mile. rarges 514.99 per

10. Express the guantity as a linear function of the variable t: The varue of a computer in vear t, ,f it ;r; ffi;r 1.,"*.no depreciates ss,o each year, wheret represents the number of years after the computer was purchased.

f(x) = 9.3;