Inequality quiz

Karla's hair is 4 cm long. Her hair grows 1.5 cm per month. Karla wants her hair to be less than 16 cm long. Write an inequality to determine the number of months, m Karla can allow her hair to grow so that it is less than 16 cm long.

• 4+1.5m<16

• 1.5m<4

• 16+1.5m<16

• 1.5m+4<16

Tags

CCSS.7.EE.B.4B

Janie has $3. She earns $1.20 for each chore she does she can do fractions of chores. She wants to earn enough money to buy a CD for $13.50.

Write an inequality to determine the number of chores, c, Janie could do to have enough money to buy the CD.

• 10.5

• 1.2

• 8.75

• 7.5

Aidan has $600 in his bank account. Every week he withdraws $50 from his bank account. Without making any deposits how many weeks can he withdraw his money to maintain a balance of at least $300. Let w represent the weeks Aidan withdraws money.

• 6 weeks

• 7 weeks

• 9 weeks

• 10 weeks

The bottom of Ignacio's desktop is 74.5cm from the floor. Ignacio sits in his adjustable chair, and the tops of his legs are 49.3cm from the floor. Each clockwise rotation of the knob on the chair raises Ignacio's legs by 4.8cm. Write an inequality to determine the number of clockwise rotations, r, Ignacio could make with the knob without his legs touching the desk.

• 49.3 + 4.8r < 5.25

• r < 5.25

• 49.3 + 4.8r -49.3 < 74.5 - 4 9.3

• 49.3 + 4.8r < 74.5

Anna has at most $60 to spend on clothes. She wants to buy a pair of jeans for $20 and spend the rest on t-shirts. If each t-shirt costs $8 what is the maximum amount of t-shirts you can buy use "t" to represent your t-shirts.

• 5 t-shirts

• 2 t-shirts

• 9 t-shirts

• 10 t-shirts

What is the meaning for Coefficient?

• A natural number that is not prime.

• A constant that multiplies a variable.

• A product found by multiplying the numerator of one fraction by the denominator of another fraction and the denominator of the first fraction by the numerator of the second.

• The numbers in the base 10 number system, having one or more places to the right of a decimal point.

Tags

CCSS.6.EE.A.2B

Select all that apply for Inequality

• A mathematical expression which shows that two quantities are not equal.

• A type of average; the number (or numbers) that occurs most frequently in a set of data.

• Two values are not equal.

• A fraction, or ratio, in which the denominator is assumed to be 100.

Tags

CCSS.4.NF.A.2

What is a function?

• A number without fractions; and integer

• The positive integers (whole numbers) 1, 2, 3, etc., and sometimes zero as well.

• A whole number; a number that is not a fraction

• A set of inputs and a set of permissible outputs with the property that each input is related to exactly one output.

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

What is the definition of binomials?

• An algebraic expression consisting of one term.

• An expression of more than two algebraic terms, especially the sum of several terms that contain different powers of the same variable(s).

• An algebraic expression of the sum or the difference of two terms.

• Occurring continuously over a period of time.

What is the definition for "Hypotenuse?"

• A triangle with a right angle.

• The longest side of a right triangle, opposite the right angle.

• A straight line passing from side to side through the center of a body or figure, especially a circle or sphere.

• A straight line from the center to the circumference of a circle or sphere.