4Tests Forums

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QUESTIONS:

The mass of an orchid seed is approximately 0.0000035 gram.
Written in scientific notation, that mass is equivalent to 3.5 × 10^n.
What is the value of n?

(1) –8 (3) –6
(2) –7 (4) –5

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A cake recipe calls for 1.5 cups of milk and 3 cups of flour. Seth made a mistake and used 5 cups of flour. How many cups of milk should he use to keep the proportions correct?

(1) 1.75 (3) 2.25
(2) 2 (4) 2.5

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When 3x^2 – 6x is divided by 3x, the result is

(1) –2x (3) x + 2
(2) 2x (4) x – 2

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The statement “If x is prime, then it is odd” is false when x equals

(1) 1 (3) 3
(2) 2 (4) 4

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If –2x + 3 = 7 and 3x + 1 = 5 + y, the value of y is

(1) 1 (3) –10
(2) 0 (4) 10

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If point (–1,0) is on the line whose equation is y = 2x + b,
what is the value of b?

(1) 1 (3) 3
(2) 2 (4) 0

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On a scale drawing of a new school playground, a triangular
area has sides with lengths of 8 centimeters, 15 centimeters,
and 17 centimeters. If the triangular area located on the playground
has a perimeter of 120 meters, what is the length of its longest side?

(1) 24 m (3) 45 m
(2) 40 m (4) 51 m

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Which quadrilateral must have diagonals that are congruent and perpendicular?

(1) rhombus (3) trapezoid
(2) square (4) parallelogram

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Good luck!