Exploring Algebra 1 Concepts: Review HW2

How many teenagers participated in the survey?

• 80

• 70

• 120

• 200

How many boys preferred drink C?

• 30

• 25

• 45

• 20

What fraction represents the boys who preferred drink D?

• 45/120

• 30/120

• 25/120

• 20/120

What is the average rate of change from x = -1 to x = 2?

• -2

• 0

• 1

• -1

What is the least common denominator used to solve the inequality?

• 4

• 12

• 6

• 24

How do you graph x < 7.5 on a number line?

• Closed circle at 7.5 and shade to the left

• Open circle at 7.5 and shade to the left

• Closed circle at 7.5 and shade to the right

• Open circle at 7.5 and shade to the right

What step is necessary when dividing both sides of an inequality by a negative number?

• Nothing special is required

• Reverse the inequality

• Multiply both sides by -1

• Add a constant to both sides

Which graph correctly represents the linear equation provided?

• Graph B

• Graph C

• Graph D

• Graph A

What is the formula for 'h' in terms of the other variables?

• Option D

• Option C

• Option B

• Option A

What is the correct way to manipulate the equation to solve for 'h'?

• Subtract pi*r^2 from both sides, then divide

• Add pi*r^2 to both sides, then multiply

• Multiply both sides by 2*pi*r

• Divide both sides by pi*r^2