Flashcards
19
Flashcards do conjunto (51)
- 1even + even =even
- 2odd + odd =even
- 3even + odd =odd
- 4even * even =even
- 5odd * odd =odd
- 6even * odd =even
- 7A multiple of a number is one thatthe number itself is a factor of.
- 8Are prime number positive or negative?Only positive
- 9Prime number under 302, 3, 5, 7, 11, 13, 17, 19, 23, 29
- 10An integer is divisible by 3 ifthe sum of its digits is divisible by 3.
- 11An integer, such as 712, is divisible by 4 ifits last units digit is divisible by 4, i.e. 12.
- 12An integer (11,640) is divisible by 8 ifits last 3 digits are divisible by 8 (640).
- 13An integer is divisible by 6 ifit is divisible by both 2 and 3.
- 14An integer (1,881) is divisible by 9 ifthe sum of its digits is divisible by 9 (18).
- 15positive * negative =negative
- 16positive : negative =negative
- 1715^12 - 15^11 =15^11(15-1) = 15^11 * 14
- 18Raising a FRACTION BETWEEN 0 and 1 to a POWER GREATER THAN 1 results ina smaller number, e.g. (1/2)^2 = 1/4.
- 19Wurzel(a) * Wurzel(b) =Wurzel(ab)
- 20Wurzel(a) / Wurzel(b) =Wurzel(a/b)
- 21Does ETS ask only for the negative or the positive root?Only positive
- 22Wurzel(1) =1
- 23Wurzel(2) ~1.4
- 24Wurzel(3) ~1.7
- 25Given: x²+7x+12 leads to what (x + ...)(x + ...)?Need two numbers that, when ADDED together, give us 7, and when MULTIPLIED together, give us 12: (x+4)(x+3)
- 26Which fraction is greater? 3/7 or 7/12?7/12
- 272/30.666...
- 281/5 =0.2
- 294/5 =0.8
- 301/3 =0,33...
- 312/5 =0.4
- 323/4 =0.75
- 333/5 =0.6
- 34Angles of an isosceles triangle40° - 70° - 70°
- 35In any triangle, the longest side is opposite thelargest interior angle.
- 36Take the sides 3 and 5 from the triangle above. What's the longest and shortest the third side could measure?Less than 8 (5+3)
Greater than 2 (5-3) - 37Angles of a right isoscles triangle90° - 45° - 45°
- 38Lengths of a right isosceles triangleLeg 1: x
Leg 2: x
Hypotenuse: x*Wurzel(2) - 39Diagonal of a squareOne side * Wurzel(2)
- 40Height, sides, and angles of an equilateral triangleAngles: 60° - 60° - 60°
All sides: x
Height: x/2 * Wurzel(3) - 41If bisecting an equilateral triangle: angles and sides of the new triangleAngles: 90° - 60° - 30°
Leg 1: x
Leg 2: 2x
Hypotenuse: x*Wurzel(3) - 42Circumference of a circle2*pi*r = pi*d
- 43Area of a circlepi*r²
- 44Wurzel(2) =1.4
- 45Slope =rise / run = (y2 - y1) / (x2 - x1)
- 46Volume of a circular cylinderpi * r² * h
- 47Diagonal inside a three-dimensional rectangular boxa² + b² + c² = d²
- 48vertical angleScheitelwinkel; Winkel, die sich gegenüberliegen, wenn zwei Geraden sich schneiden
- 49twineSchnur
- 50Equation for group problemT = G1 + G2 - B + N
- 51collinearnicht auf einer Geraden liegend
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- Descrição
- FlashCards sobre 19, criado por vietlinh.le em 08-07-2014.
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- vietlinh.le
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