STAAR Questions Quadratics

What is the domain of the function?

• All Real Numbers
• -3 ≤ x ≤ 1
• y ≥ 4
• y ≤ 4

What is the range of this function?

• -4 ≤ y ≤ 5
• -1 ≤ x ≤ 3
• All Real Numbers
• y ≥ -4

What is the range of the function?

• y ≤ 3
• y ≥ 3
• (-∞, +∞)
• [-6, 3]

What is the y-intercept of the following equation:
y= (x-1)² - 6?

• -5
• -7
• 0
• 5

When x² is changed to x² -3, the graph

• Shifts left 3 units.
• Shifts right 3 units
• shifts up 3 units.
• Shifts down 3 units.

What is the green dashed line called?

• roots or x-intercepts
• parabola
• axis of symmetry

What is the equation for axis of symmetry?

• y=3
• x=3
• x=5
• x=1

Does the graph of this equation open up or down? 
f(x) = -(x + 3)² - 5

• up
• down

If the blue graph is
f(x) = x² 
then the red must be...

• g(x) = x² - 5
• g(x) = x² + 5
• g(x) = (x - 5)²
• g(x) = (x + 5)²

Which of the following statements about the function j(x) = -2(x + 3)² + 9 is FALSE?

• The function j(x) is shifted up 9 units compared to the parent function

• The function j(x) is narrower than the parent function

• The function j(x) is shifted right 3 units compared to the parent function

• The function j(x) is reflected across the x-axis compared to the parent function