Reading Quadratic Equations and Graphs

How many solutions does this graph have?

• one

• two

• no solutions

• cannot be determined

What is another name for the x-intercepts and solutions of a quadratic?

• y-intercept

• Zeros

• x-axis

• They don't have another name

What is the domain and the range for the graph?

• Domain : -2 ≤ x ≤ 2
  Range : 0 ≤ y ≤ 4

• Domain : 0 ≤ x ≤ 4
  Range : -2 ≤ y ≤ 2

• Domain : All real #s
  Range : y ≤ 4

• Domain : -2 ≤ x ≤ 2
  Range : y ≤ 4

Determine the domain and range of the function

• Domain: All real numbers

  Range: All real numbers

• Domain: x ≥ -4

  Range: All real numbers

• Domain: All real numbers

  Range: y ≥ -4

• Domain: -1 ≤ x ≤ 5

  Range: y ≥ -4

The following graph displays the HEIGHT of a projectile as a function of TIME. h (t)

**What is the MAXIMUM height the projectile reaches?

• 0 ft

• 1 ft

• 128 ft

• 144 ft

The following graph displays the HEIGHT of a projectile as a function of TIME. h (t)

**How HIGH is the projectile after 3 seconds?

• 0 ft

• 80 ft

• 128 ft

• 144 ft

The following graph displays the HEIGHT of a projectile as a function of TIME. h (t)

**What is VERTEX of the parabola?

• (0, 128)

• (1, 144)

• (3, 80)

• (4, 0)

The following graph displays the HEIGHT of a projectile as a function of TIME. h (t)

**What is the y-INTERCEPT of the parabola?

• (0, 128)

• (1, 144)

• (3, 80)

• (4, 0)

The following graph displays the HEIGHT of a projectile as a function of TIME. h (t)

**What is the x-INTERCEPT of the parabola

• (0, 128)

• (1, 144)

• (3, 80)

• (4, 0)

The following graph displays the HEIGHT of a projectile as a function of TIME. h (t)

**What was the INITIAL height?

• 0 ft

• 1 ft

• 128 ft

• 144 ft