Algebra Baseline Assessment

What is a rational number ?

• A rational number  is a number that cannot be written as a fraction.
• A rational number is a number that can be written as a ratio.
• A rational number cannot be a repeating  decimal.

Irrational Numbers....

• cannot be represented as a simple fraction
• can be represented as a fraction
• can be a repeating decimal

Which of the following number is rational?

Which of the following correctly describes the set {... , -5, -4, -3, -2, -1}

• The set of all whole numbers.

• The set of negative integers.

• The set of positive integers.

• The set of non-negative integers.

Select all the irrational numbers

• 4.1235127...

Evaluate x² - 2x + 1 when x = -3

• 16

• -23

• -1

• none of these

Simplify: 4(x - 8) - 7x

• -2x - 8

• -3x - 8

• -3x - 32

• 11x - 12

Give the range of the set of ordered pairs: (2, 11), (9, -3), (7, 21), (-8, 6)

• {2, 9, 7, -8}

• {11, -3, 21, 6}

• -8 < x < 9

• -3 < y < 21

If f(x)=2(3^x)+1, what is the value of f(2)?

(Substitute and be careful with order of operations)

• 19

• 37

• 13

• 20

The height of a basketball after it bounces is represented by h(t) = -8t² + 50t where h represents the height, in feet, and t represents the number of seconds that have passed since the ball bounced off the ground.

What is the input?

• Height in feet

• Height in inches

• Number of seconds that have passed

• Number of basketballs