1) Which Sentence is a statement? a) What is the meaning of factor? b) Go and brush your teeth. c) Good morning! d) The highest common factor of 21 and 28 is 7 2) Which statement is false? a) Some quadratic function graphs intersect the x-axis b) Hibiscus is the national flower of Malaysia and Rafflesia is the biggest flower in Malaysia c) If x > 3, then x >1 d) All odd numbers are prime numbers 3) Given the implication'' if m > 10, then m >8", determine the false statement a) Its converse is 'if m> 8, then m>10'' b) Its inverse is 'if m<10, then m<8' c) Its contrapositive is 'if m<8, then m<10'' d) the given contrapositive for answer C is false 4) Which of the following implication is false? a) If p - 5 < 0, then p - 7 < 0 b) If ab = 0, then a=0, or b= 0. c) If 3a > b, then a > b d) if x = 450 , then sin x = cos x 5) choose the correct statement. a) 33 = 9 or 5 , 4 b) 52 - 12 =42 or 32 - 22 = 4 c) some of the perfect squares are odd numbers d) some triangles have three sides 6) A network consists of a) minimum one dot b) minimum two dots c) minimum two dots one and edge d) minimum three dots and two edges 7) Which of the following is a true statement a) A graph can have many dots but without edges. b) A graph can have many edges but without dots c) a graph can have no dots and no edges d) A graph cannot be simple graph and complete graph at the same time

form 4 math

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