The graph shows the projectile of a rocket. What does the zero of the graph represent?

The amount of time it took the rocket to land on the ground.

The maximum height of the rocket.

The amount of time it took the rocket to reach its maximum height.

The height of the rocket before it was launched.

− 1 \sqrt{-1} − 1 <path d="M95,702c-2.7,0,-7.17,-2.7,-13.5,-8c-5.8,-5.3,-9.5, -10,-9.5,-14c0,-2,0.3,-3.3,1,-4c1.3,-2.7,23.83,-20.7,67.5,-54c44.2,-33.3,65.8, -50.3,66.5,-51c1.3,-1.3,3,-2,5,-2c4.7,0,8.7,3.3,12,10s173,378,173,378c0.7,0, 35.3,-71,104,-213c68.7,-142,137.5,-285,206.5,-429c69,-144,104.5,-217.7,106.5, -221c5.3,-9.3,12,-14,20,-14H400000v40H845.2724s-225.272,467,-225.272,467 s-235,486,-235,486c-2.7,4.7,-9,7,-19,7c-6,0,-10,-1,-12,-3s-194,-422,-194,-422 s-65,47,-65,47z M834 80H400000v40H845z">

3 i − 6 + 7 i \frac{3i}{-6+7i} − 6 + 7 i 3 i

21 85 − 18 i 85 \frac{21}{85}-\frac{18i}{85} 8 5 2 1 − 8 5 1 8 i

− 18 85 + 21 i 85 -\frac{18}{85}+\frac{21i}{85} − 8 5 1 8 + 8 5 2 1 i

21 13 − 18 i 13 \frac{21}{13}-\frac{18i}{13} 1 3 2 1 − 1 3 1 8 i

− 18 13 + 21 i 13 -\frac{18}{13}+\frac{21i}{13} − 1 3 1 8 + 1 3 2 1 i

What do you do to the b value to correctly complete the square?

divide it by 2 and square the result

divide it by 2 and take the square root of the result

Find the zeros for the quadratic equation: $$x^2-5x\ +\ 14$$ Round your answer to the nearest tenth.

x = $$\frac{5\ \pm\ i\ \sqrt[]{31}}{2}$$

x = $$\frac{-5\ \pm\ i\ \sqrt[]{31}}{2}$$

Chapter 2 Practice Test

Authored by Cassidy Millonzi

Mathematics

9th - 12th Grade

CCSS covered

Used 2+ times

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50 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The axis of symmetry line passes through which point?

y-intercept

any random point

vertex

symmetrical point for the vertex

Tags

CCSS.HSG.GPE.A.2

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

If given the equation y = 3(x + 5)² - 4, what is the vertex of the parabola?

(5, -4)

(-5, -4)

(-15, -4)

(15, -4)

Tags

CCSS.HSF.IF.C.7

CCSS.HSF.IF.B.4

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Identify the vertex and whether the graph opens up or down.

(5, 2); opens up

(5, 2); opens down

(-5, 2); opens up

(-5, 2); opens down

Tags

CCSS.HSF.IF.C.7

CCSS.HSF.IF.B.4

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What is the green dashed line called?

roots or x-intercepts

parabola

Axis of symmetry / Line of symmetry

line of dashes

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Vertex: (-4, 1)

Vertex: (-4, -1)

Vertex: (4, 1)

Vertex: (4, -1)

Tags

CCSS.HSF.IF.C.7

CCSS.HSF.IF.B.4

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the equation of this graph?

f(x) = (x -5)² + 1

f(x) = (x - 1)² - 5

f(x) = (x + 1)² - 5

f(x) = (x + 5)² +1

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

CCSS.HSF.IF.C.7

CCSS.HSF.IF.B.4

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

CCSS.HSF.IF.C.7

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Chapter 2 Practice Test

The axis of symmetry line passes through which point?

If given the equation y = 3(x + 5)2 - 4, what is the vertex of the parabola?

Identify the vertex and whether the graph opens up or down.

What is the green dashed line called?

What is the equation of this graph?

The graph shows the projectile of a rocket. What does the zero of the graph represent?

A toy rocket is launched vertically upward from ground level with an initial velocity of 128 feet per second. The functionh(t) = -16t2 +128t represents the projectile of the rocket.How many seconds will it take to reach its maximum height?

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Discover more resources for Mathematics

If given the equation y = 3(x + 5)² - 4, what is the vertex of the parabola?

A toy rocket is launched vertically upward from ground level with an initial velocity of 128 feet per second. The function
h(t) = -16t² +128t represents the projectile of the rocket.
How many seconds will it take to reach its maximum height?