Unit 1 Test Practice

Presentation

•

Mathematics

•

11th Grade

•

Hard

•

CCSS

HSA.REI.B.4, HSN.CN.A.1, HSA.SSE.A.2

+10

Standards-aligned

Michele Jones

Used 2+ times

FREE Resource

0 Slides • 16 Questions

Multiple Choice

Factor and Solve

6x² + 17x + 12 = 0

x = -4/3, x = -3/2

x = 9, x = 8

x = 4, x = 3

x = -4, x = -3

Multiple Choice

Factor and Solve

2x² - 3x - 2 = 0

x = 1, x = -1

x = -1/2, x = 2

x = 1/2, x = 2

x = 1/2, x = 1

Reorder

What are the steps to solving this by completing the square?

a² + 10a + 21 = 0

Subtract 21 from both sides of the equation

Add 25 to both sides of the equation

Rewrite the left hand side as a (binomial)²

Take the square root of both sides of the equation

Subtract 5 from both sides of the equation

Math Response

$2x^2+8x-7=0$

Use the quadratic formula to type an expression that will yield the solutions to the equation above.

You cannot type $\pm$ on the keyboard so instead put $+-$

DO NOT SIMPLIFY ANYTHING. JUST PLUG IN WITH PARENTHESES.

Type answer here

Deg^°

Rad

Multiple Choice

Solve Using the Quadratic Formula
x² + 4x - 40 = -8

-10 & -4

-4 & 10

-8 & 4

8 & -4

Multiple Choice

Solve the following quadratics equation by completing the square...

x² + 4x + 1 = 0

x = -2 ± √3

x = -3 ± √2

x = 2 ± √3

x = 2 ± √2

Multiple Choice

Solve by finding square roots and simplify completely:
$x^2-16=0$

$x=\pm16$

$x=4$

$x=\pm4$

No real solutions

Multiple Choice

Using your calculator, evaluate i¹³

-1

-i

Multiple Choice

Using your calculator, evaluate i²⁴

-1

-i

Multiple Choice

What is the simplified form of (–9 + 5i) + (3 – 2i)

*Your calculator can do problems 6 through 8 :)

–12 + 31i

–6 + 3i

–11 + 7i

5 – 3i

Multiple Choice

What is the simplifies form of (11 – 7i) – (–3 + 12i)

8 – 19i

8 + 5i

13 – 19i

14 –19i

Multiple Choice

What is the simplified form of (–3x + 2i)(x– 4i)

–3x² + 6xi – 8

–3x² + 6xi + 8

–3x² + 14xi – 8

–3x² + 14xi + 8

Multiple Choice

Simplify -√-8

-i√8

-2i√2

2i√2

-8i

Multiple Choice

$\sqrt{-20}$

$i\sqrt{20}$

$-2i\sqrt{5}$

$20i$

$-20i$

Multiple Choice

An object in launched directly upward at 64 feet per second (ft/s) from a platform 80 feet high. Its height is represented by the equation s(t) = –16t² + 64t + 80. What will be the object's maximum height?

2 ft

80 ft

144 ft

64 ft

Multiple Choice

The function f(t) = -5t²+20t + 60 models the approximate height of an object t seconds after it is launched. How many seconds does it take the object to hit the ground?

4 seconds

-2 seconds

-6 seconds

9 seconds

Factor and Solve

6x² + 17x + 12 = 0

x = -4/3, x = -3/2

x = 9, x = 8

x = 4, x = 3

x = -4, x = -3

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MULTIPLE CHOICE

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