MCQ Academy - English

If α+β=0 and αβ=1, find 1/α + 1/β.

• 1
• undefined
• 0

If α+β=6 and αβ=-1, find α^3+β^3.

• 17
• 234
• 198
• 38

If α+β=-8 and αβ=-9, find 1/α + 1/β.

• 17/9
• 8/9
• 9/8
• 1

If α+β=-6 and αβ=6, find α^3+β^3.

• -108
• 324
• 24
• -324

If α+β=-3 and αβ=5, find α^3+β^3.

• -72
• 18
• -1
• 170

If α+β=4 and αβ=2, find α^3+β^3.

• 40
• 12
• 88
• -16

If α+β=-5 and αβ=9, find 1/α + 1/β.

• -1/2
• -9/5
• -5/9
• 4/9

If α+β=2 and αβ=3, find α^3+β^3.

• 9
• 26
• -2
• -10

If α+β=-4 and αβ=7, find 1/α + 1/β.

• -4/7
• 3/7
• -7/4
• -1/2

If α+β=5 and αβ=6, find 1/α + 1/β.

• 5/6
• 11/6
• 6/5
• 5/7

If α+β=3 and αβ=6, find α^3+β^3.

• -3
• -27
• 162
• 81

If α+β=2 and αβ=9, find α^3+β^3.

• 675
• 62
• -46
• -14

If α+β=-4 and αβ=-1, find 1/α + 1/β.

• -4
• 4
• 1/4
• 5

If α+β=-5 and αβ=7, find 1/α + 1/β.

• 2/7
• -5/7
• -7/5
• -5/8

If α+β=3 and αβ=12, find 1/α + 1/β.

• 5/4
• 4
• 1/4
• 3/13

If α+β=-1 and αβ=-2, find α^3+β^3.

• -14
• 5
• -7

If α+β=-7 and αβ=-5, find α^3+β^3.

• -238
• 59
• -230
• -448

If α+β=-5 and αβ=-3, find α^3+β^3.

• 31
• -80
• -72
• -170

Solve the inequality (x – (-3))(x – (3)) < 0.

• -3 < x < 3
• x < -3 or x > 3
• x ≤ -3 or x ≥ 3
• x = -3 or x = 3

Solve the inequality (x – (3))(x – (8)) > 0.

• x ≤ 3 or x ≥ 8
• 3 < x < 8
• x < 3 or x > 8
• x = 3 or x = 8