Review/Preview - January (week 3)

Review/Preview - January (week 3)

Review

These are all

Multiple Choice

Solve the equation below:

• k = 152
• k = 176
• k = 5
• k = 27

Multiple Choice

19  + a  =  -50

• a = -950
• a =  -69
• a = -31
• a = -50/19

Multiple Choice

Solve for the variable x in the following equation: $$3x=12$$  

• $$x=9$$  

• $$x=3$$  

• $$x=15$$  

• $$x=4$$  

Multiple Choice

What is scientific notation?

• A long way to write really short  numbers
• A short way to write really long numbers
• I don't know...
• None of the above

Multiple Choice

Write the standard number 6,267,000 in scientific notation.

• 62.67 x 10⁶

• 6.267 x 10⁶

• 6.267 x 10⁴

• 6.267 x 10⁷

Multiple Choice

To which real number set do the following real numbers belong?

• Irrational Numbers

• Natural Numbers

• Rational Numbers

• Integers

Multiple Choice

Simplify the expression using exponents.

• 81⁸

• 9¹⁵

• 9⁸

• 81¹⁵

Multiple Choice

Using exponents, what is the simplified form of the expression (2⁴)⁷

• 2³

• 14²⁸

• 2²⁸

• 2¹¹

Multiple Choice

What is the value of 18⁰?

• 18

• 0

• 1

• -18

Multiple Choice

This is between which two integers?

• 12 and 13

• 13 and 14

• 45 and 46

• 91 and 92

Multiple Choice

Which integer is a perfect square?

• 169

• 24

• 10

• 212

Multiple Choice

In the equation y=mx+b, b is the ____.

• Slope
• Y-intercept
• X-intercept
• Origin

Multiple Choice

What letter represents the slope of a line in the equation y = mx + b?

• y
• m
• x
• b

Multiple Choice

Slope is ________.

• Positive
• Negative
• Zero
• Undefined

Multiple Choice

Slope is ________.

• Positive
• Negative
• Zero
• Undefined

Pythagorean Theorem Preview

These are skills you have done before, but will need for the next unit.

Multiple Choice

Which of the following is a right triangle?

Multiple Choice

• Figure 1

• Figure 2

• Figure 3

• Figure 4

Multiple Choice

Which drawing below is a right triangle?

Multiple Choice

Which of the following is a right triangle?

Multiple Choice

Which drawing below is a right triangle?

Multiple Choice

• The triangle has three sides with equal lengths.

• The triangle has only two sides with equal lengths.

• The triangle has only two sides with equal lengths.

• The triangle has one angle that is equal to 90 degrees.

Multiple Choice

Which statement must be true about a right triangle?

• One angle is equal to 90 degrees

• One angle is more than 90 degrees

• All 3 sides have the same length

• All 3 sides have a different length

Multiple Choice

Which triangle is a right triangle?

Multiple Choice

Which word BEST describes the triangle formed by the house, the ground, and the ladder?

• acute

• equilateral

• isosceles

• right

Multiple Choice

• right triangle

• obtuse triangle

• iscosceles triangle

• equilateral triangle

Multiple Choice

• The triangle has two angles that are smaller than a right angle.

• The triangle has one angle that is larger than a right angle.

• The triangle has exactly two sides with equal lengths.

• The triangle has three sides with equal lengths.

Multiple Choice

What is 11 squared?

11²

• 132

• 144

• 121

• 22

Multiple Choice

What is 5 squared?

5²

• 2.5

• 25

• 125

• 10

Multiple Choice

What is the square root of 100?

√100

• 10

• 200

• 50

• 1000

Multiple Choice

What is the square root of 81?

• 3

• 162

• 6561

• 9