Inequalities

Which of the following is correct?

• -5 ≥ 2
• 4.5 < 9
• -2 ≠-1 x 2
• -1 > 1

Tags

CCSS.6.NS.C.7B

CCSS.6.NS.C.7A

Which of the following is incorrect?

• 5 ≤ 5
• -7 > -8
• -1.2 ≠ -1.1
• -3 ≥ 1.5

Tags

CCSS.6.NS.C.7A

CCSS.6.NS.C.7B

If the weight (w kg) of a man does not exceed 58 kg, then

• w > 58
• w ≥ 58
• w < 58
• w ≤ 58

Tags

CCSS.6.EE.B.8

Which of the following inequalities represents the statement ‘the product of 3h and k is not less than u’?

• 3hk ≥ u
• 3h + k ≥ u
• 3hk > u
• 3h + k > u

Which of the following numbers satisfies the inequality x > -4.5?

• -4.5
• 0
• -5
• -9

Tags

CCSS.6.EE.B.5

If a > 0, which of the following must be true?

• a - 4 < 0
• 4a - 1 < 0
• -2a - 3 < 0
• -a + 4 < 0

Tags

CCSS.7.EE.B.4B

if a ≧ b > 0, then which of the following are true?
I. a² ≧ b²
II. -3a ≦ -3b
III. a - 3 ≦ b - 3

• I and II only
• I and III only
• II and III only
• I, II and III

If a  ≤ b < 0, then

• b ≤ a
• a - 3  ≥ b - 3
• -2a ≥ -2b
• a² ≤ b²

Solve the inequality 16 < 3x - 11.

• x > 9
• x > -9
• x < 9
• x < -9

Tags

CCSS.7.EE.B.4B

Solve the inequality 3(2x - 5) ≤ 5x - 16

• x ≤ 1
• x ≤ -1
• x ≥ 1
• x ≥ -1