Ashworth - Algebra 1 _ Part 1 (Revision B) | Exam 3

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The bulk food section of a grocery store has two bins with different types of mixed nuts. The first bin contains walnuts, peanuts, and pistachios. The second bin contains pecans, almonds, Brazil nuts, and walnuts. What is a set that represents all the types of nuts in both bins?

{walnuts, peanuts, pistachios, pecans, almonds, Brazil nuts}

What compound inequality represents the phrase? Graph the solutions. All real numbers that are greater than -8 and less than 8.

-8 < x < 8

Which number is the inequality? m > 7/12

1

Which number is a solution of the inequality? 10.6 < b

14

What are the solutions of the compound inequality? Graph the solutions. -2 < 4x - 10 < 6

2 < x < 4

The French Club is sponsoring a bake sale. If their goal is to raise at least $140, how many pastries must they sell at $3,50 each in order to meet that goal? Write and solve an inequality.

3.50p ≥ 140; p ≥ 40

How do you write the set in roster form? In set builder notation? D is the set of whole numbers less than 3.

D = {0,1,2}; D = {x | x is a whole number, x < 3}

What is the graph of the inequality? d < 2

D is a number that is less than 2. So choose the graph that shows a black arrow with a white dot, the arrow will point towards the negative numbers.

What is the graph of the inequality? x ≥ -3

X is greater than of equal to -3. So any number including -3 three or above is what the graph is expressing.

What are the solutions of the inequality? Graph the solutions. b - 4 > 4

b > 8

Suppose you had D dollars in your bank account. You spent $12 but have at least $51 left. How much money did you have initially? Write and solve an inequality that represents this situation.

d - 12 ≥ 51; d ≥ 63

What are the solutions of the inequality? Check the solutions. 4x + 6 < -6

x < -3

What inequality represents the verbal expression? All real numbers less than 69.

x < 69

What are the solutions of the inequality? 12x - 3x + 11 > 4x - (17 - 9x)

x < 7

What are the solutions of the inequality? Graph the solutions. x/5 ≥ - 2

x ≥ - 10

You have two boxes of colored pens. The first box contains a red pen, a blue pen, and a green pen. The second box contains a yellow pen, a red pen, and a black pen. What is a set that represents all the pens?

{ red pen, blue pen, green pen, yellow pen, black pen}

Suppose U = {-10, -6, -2, 0, 3, 5} is the universal set and T is the set {-10, -6, 0}. What is the complement of set T?

{-2, 3, 5}

A doctor is examining 3 patients. Which symptoms do all three patients have in common?

{fever, joint pain, tiredness}


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