Algebra 1 Common Assessment Module 10 Form B (Part 1)

From the graph, the parabola’s vertex appears near (5, −6). Which statement about its opening is correct?

• It opens leftward from the vertex

• It opens rightward from the vertex

• It opens downward from the vertex

• It opens upward from the vertex

Using the same graph with vertex near (5, −6), what is the axis of symmetry?

• y = 5

• x = −5

• y = −6

• x = 5

Estimate the x-intercepts of the graphed parabola.

• x ≈ 3 and x ≈ 7

• x ≈ −3 and x ≈ 7

• x ≈ 5 and x ≈ −6

• x ≈ 0 and x ≈ 5

What is the y-intercept of the graphed parabola?

• About −10

• About −6

• About −4

• About 0

• Right 2 and up 1

• Left 2 and down 1

• Left 2 and up 1

• Right 2 and down 1

• v = −5 or v = 0

• v = 5 or v = 0

• v = −5 or v = 5

• v = −4 or v = 5

• x = 0 and x = 64

• x = −8 (double root)

• x = 16 (double root)

• x = 8 (double root)

Which function has vertex at (h, k) = (5, −6) and opens downward with stretch factor 1?

Given y = (x − 3)(x − 7), which statement is true about its graph?

• Vertex is at (3, 7)

• Y-intercept is 21

• Axis of symmetry is x = 3

• Axis of symmetry is x = 5

A quadratic has zeros at x = 2 and x = 6 and y-intercept −8. Which equation matches?

• y = a(x − 2)(x − 6), a = −2

• y = a(x − 2)(x − 6), a = 4

• y = a(x − 2)(x − 6), a = 1

• y = a(x − 2)(x − 6), a = 2