Quiz #2

Tell whether the statement is TRUE or FALSE Every natural number. is a whole number False True Tell whether the statement is TRUE or FALSE Every rational is an integer. False True Every negative number is an integer. Tell whether the statement is TRUE or FALSE False True Tell whether the statement is TRUE or FALSE 7.2222... is an irrational number. False True Tell whether the statement is TRUE or FALSE 3.8725... is rational. False True Tell whether the statement is TRUE or FALSE √64... is irrational. False True Write in interval notation:x < 4 (4, ∞) (-∞, 4) (4, ∞) [4, ∞) Write in interval notation:x ≥ -2 (-2, ∞) (-∞, -2) (-2, ∞] [-2, ∞) Write in interval notation:-1≤ x < 4 (-1, 4] [-1, 4] [-1, 4) (-1, 4) Write in interval notation:-2<x≤1 (-2, 1] [-2, 1) (-2, 1) [-2, 1] Write in interval notation:1≤x≤5 [1, 5] (1, 5] [1, 5) (1, 5) Select the appropriate interval representation for the number line shown. -4 [-4, 7) [-4, 7] (-4, 7] (-4, 7) 7 Select the appropriate interval representation for the number line shown. 0 [3, ∞] [3, ∞) (3, ∞] (3, ∞) 3 Type the appropriate interval representation for thenumber line shown. Which set-builder notation represents the compound inequalities shown below? x > -2 and x ≤ 3 {x|-2<x≤3} {x|3≤x<2} (2, 3] [2, 3) Which interval notation represents the compound inequalities shown below? x > -2 and x ≤ 3 {x|-2<x≤3} {x|3≤x<-2} (-2, 3] [-2, 3) Write in interval notation x ≥ 5 Write in interval notationx < -4 Write in interval notationx > 8 Write in interval notation-2 ≤ x ≤ 5 Write in interval notation-2 < x ≤ 5 Write in interval notation-2 ≤ x < 5 Write in interval notation-2 < x < 5 |

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