CRM 3-1 Review

The Health department advices that a minimum depth of 8 feet of water for head-first dives, including dives from pool decks. Select an inequality to represent the depth, d, in feet, that a pool should be for someone to safely dive in head-first.

• d ≥ 8

• d > 8

• d ≤ 8

• d < 8

Tags

CCSS.6.EE.B.8

An equation is shown. -8x + 24 = 8(1 - 2x). Which of the following values {-8, -4, -2, 2} makes the equation true?

• -8

• -4

• 2

• -2

Tags

CCSS.6.EE.B.5

Select all the values of x that make 30 ≥ 10x true.

• -4

• -2

• 3

• 5

• 10

Tags

CCSS.6.EE.B.5

An equation is shown. 148 = 11 + b Solve the equation for b. Enter your solution in the space provided.

Tags

CCSS.6.EE.B.7

4 students solved the equation -100 = k - 75. Their answers are shown below. Whose answer is correct?

• -25

• 25

• -75

• -100

Answer explanation

add the inverse of -75 to both terms of the equations

or add 75

-100+75=k-75+75

-25=k+0

-25=k or k=-25

Tags

CCSS.6.EE.B.7

An equation is shown : 2(x-3)= 20 . Enter a number to represent the solution to the equation.

Tags

CCSS.7.EE.B.4A

As the world's most expensive spice, saffron provides a beautiful golden color and pungent, aromatic flavor to foods. It has been used for centuries in Persian, Arab, European, and Indian cuisines. Saffron costs $5 per gram. A restaurant buys a saffron package that weighs 76 grams. Which equation can be used to determine the cost of the package, c.

• c /76 = 5

• c = 5x76

• c/5 = 76

• 5c = 76

Answer explanation

Explanation

A saffron cost $5 for 1 gram

The total cost is c

A package of Saffron has 76 grams

The cost of the package is :

$5 multiply byu 76 or $5 times 76 = c

5x76=c or c/5=76 or c/76=5

Tags

CCSS.HSA.CED.A.3

An equation is given. $0.25x = 2.5$. What value of X could be a solution to the equation?

Answer explanation

Step by Step Explanation:

0.25x = 2.5

x= 2.5/0.25

x=10

Tags

CCSS.6.EE.B.5

Pick the correct letter for:
6 > x

• A
• B
• C
• D

Tags

CCSS.6.EE.B.8

Pick the correct letter for:
x > 6

• A
• B
• C
• D

Tags

CCSS.6.EE.B.8