1.   Which is the standard form of a linear equation?
    A. y = 2x - 3 B. 3x2 + y = 5
    C. D. 4x - 9y = 1
    Hint

  2.   What is the x-intercept of the graph below?
   
    A. -3 B. 2
    C. 3 D. -2
    Hint

  3.   Which equation is graphed below?
   
    A. 3x + y = 6 B. x + 3y = 6
    C. 3x - y = -6 D. x - 3y = -6
    Hint

  4.   When the equation is written in standard form, what is the value of B?
    A. 25 B.
    C. D. -25
    Hint

  5.   Consider the function f (x) = -2(x + 8). Is this function a linear function? Why or why not?
    A. No, f is not a function.
    B. Yes, the coefficient of x is not zero.
    C. Yes, the function can be written in the form f (x) = mx + b.
    D. No, the function cannot be written in the form f (x) = mx + b.
    Hint



Glencoe
The McGraw-Hill Companies