# 20 question quiz need help

**1. Find the slope of the line that goes through the given points.**

(-8, 8), (-5, 2)

**2. Determine whether the equation defines y as a function of x.**

x + y = 9

** 3. Determine whether the equation defines y as a function of x.**

x = y^{2}

^{}** 4. Determine whether the equation defines y as a function of x.**

x^{2} + y^{2} = 1

** 5. Determine whether the relation is a function.**

{(-2, -7), (3, -5), (6, -4), (9, -6), (10, -1)}

** 6. Find the slope of the line that goes through the given points.**

(-7, 6), (-7, -9)

** 7. Determine whether the relation is a function.**

{(1, -3), (1, 1), (6, -8), (9, -3), (11, -3)}

** 8. Evaluate the function at the given value of the independent variable and simplify.**

f(x) = -3x – 8; f(-2)

** 9. Determine whether the relation is a function.**

{(-5, -4), (-2, 9), (-1, -2), (-1, 7)}

** 10. Find the slope of the line that goes through the given points.**

(-2, -6), (-9, -17)

**11. answered**

** 12. Find the slope of the line that goes through the given points.**

(-3, -7), (9, -7)

** 13. Determine whether the relation is a function.**

** {(-7, -1), (-7, 2), (-1, 8), (3, 3), (10, -7)}**