Exam #1 Review

Use order of operations to simplify: (10^2 - 100 / 5^2 * 2 - 3)

• A) 85

• B) 97

• C) 83

• D) 95

Tags

CCSS.7.EE.B.3

Let A = {1, 2, 3}, B = {1, 3, 5, 7}, and C = {2, 5, 7, 12}. Find the indicated set: A ∩ B

• A) {1, 2, 3, 5, 7}

• B) {1, 3}

• C) {2, 5, 7}

• D) {1, 2, 3, 12}

Tags

CCSS.HSS.CP.A.1

Let A = {1, 2, 3}, B = {1, 3, 5, 7}, and C = {2, 5, 7, 12}. Find the indicated set: C ∪ A

• A) {1, 2, 3, 5, 7, 12}

• B) {1, 2, 3, 5, 7}

• C) {2, 5, 7, 12}

• D) {1, 2, 3, 12}

Tags

CCSS.HSS.CP.A.1

Simplify the exponential expression: ((x^-1y^5)/(x^4y^3))^-3

• A) x^15y^-6

• B) x^15y^6

• C) x^-15y^6

• D) x^-15y^-6

Tags

CCSS.8.EE.A.1

Simplify: 2(5x - 1) + 14x

• A) 24x - 2

• B) 10x - 2

• C) 24x + 2

• D) 10x + 2

Tags

CCSS.6.EE.A.3

Perform the indicated operation and write in decimal notation: (6.1 x 10^-3)(2 x 10^9)

• 1.22 x 10^7

• 1.22 x 10^6

• 1.22 x 10^5

• 1.22 x 10^4

Tags

CCSS.8.EE.A.4

Rationalize the denominator: \(\frac{11}{\sqrt{7} + \sqrt{3}}\)

• \(\frac{11(\sqrt{7} - \sqrt{3})}{4}\)

• \(\frac{11(\sqrt{7} - \sqrt{3})}{10}\)

• \(\frac{11(\sqrt{7} - \sqrt{3})}{2}\)

• \(\frac{11(\sqrt{7} - \sqrt{3})}{5}\)

Tags

CCSS.HSN.RN.A.2

Add: \(\sqrt{20} + 6\sqrt{5}\)

• \(2\sqrt{5} + 6\sqrt{5}\)

• \(4\sqrt{5} + 6\sqrt{5}\)

• \(2\sqrt{5} + 3\sqrt{5}\)

• \(4\sqrt{5} + 3\sqrt{5}\)

Evaluate: \(16^{1/2}\)

• 2

• 4

• 8

• 16

Perform the indicated operation: \((2x^2 - 3x + 1) + (x^2 + 5x - 2) - (4x^2 - x + 10)\)

• \(-x^2 + 3x - 11\)

• \(-x^2 + 3x - 9\)

• \(-x^2 + 3x - 7\)

• \(-x^2 + 3x - 5\)

Tags

CCSS.HSA.APR.A.1