Quadratic Functions SBAC Practice

Maria is making a rectangular garden.  The length of the garden is 2 yards greater than its width, w, in yards.

Enter the function, y, that describes the area, in square yards of Maria’s garden as a function of the width, x.

Mathematical Equivalence

ON

The graph represents f(x) and the table shows some values of another quadratic function g(x).  Select whether each statement is True or False.

The minimum value of f(x) is greater than the minimum value of g(x).​ (a)  

The value of x when f(x) is at its minimum is less than the value of x when g(x) ​ is at its minimum. ​ (b)  

• True
• False

• Yes
• No
• NO

P is a quadratic function.  The graph of y = p(x) is shown.

Select one or more intervals with consecutive integer endpoints that contain the solution(s) of the equation 13 = p(x).

Answer explanation

Sample answers are [-4, -3] and [3, 4].

• -7
• 7
• 49
• 98
• 24.5

• -5/3 i
• 5/3 i
• 5/3
• -5/3
• 68

• 4
• _
• 4i
• -4
• -16
• 16i
• 16

• -6 < b < 6
• -3 < b < 3
• -4 < b < 4
• -5 < b < 5
• -2 < b < 2