Name

Algebra 2A

Find each product.

1) (5x+9) (5x-9)

2)

8 in / t = 7 in / 28 in = 11 in / 44 in. What does t = ? 18 ft / 72 ft = 18 ft / 72 ft = 25 ft / x. WHAt does x = ?

What are the conditions for conducting a two - sample t-test?

A car makes a turn and increases its speed from 10mph to 15mph. This is an example of

Lucia is using energy at a rate of 420 kilocalories (kcal) per hour (h) ice skating. At what rate is lucla using energy in calories per minute (cals/mins) ?

Select the equation that most accurately depicts the word problem. Two sides of a triangle are equal in length and double the length of the shortest side. The perimeter of the triangle is 36 inches.

Use the grouping method to factor the polynomial below completely. 3x3 + 9x2 + 5x + 15 O A. (3x2 + 3) (x+5) O B. (3x2 + 5) (x + 5) O C. (3x2 + 3) (x+3) O D. (3x2 + 5) (x + 3)

Find the geometric mean of 2 and 50

90 is 37.5% of what number?

In order to solve for the variable In the equation 1 - (x+2) + 2x=5 (2x-5) - x, Mikel first applies the distributive property. Which equation is a result of this step? A) 1-x+2+2x=10x-5-x B) 1-x-2+2x=10x-25-x C) 1-x-1+2x=10x-25-x D) 1-x-1+2x=10x-5-x

Coin Flips Recall the scenario from the previous page. A psychic claims to be able to predict the outcome of coin flips before they happen. Someone who guesses randomly will predict about half of coin flips correctly.