Grade 8 Quiz

Q1: Simplify: a² + 12a + 36 a² + 6a + 36 4a² + 6a + 36 5a² + 6a + 36

Q2: Simplify: -15a⁶b² -15a⁵b² -15a⁵b -15a⁶b

Q3: Simplify 8x⁵y³ 6x⁶y³ 6x⁵y³ 8x⁶y³

Q4: Solve the system of equations: x=1, y=0 x=-1, y=-8 x=19/14, y=15 x=-7/4, y=-11

Q5: Solve the equation: x=-11 x=-14 -7/5 x=14

Q6: The perimeter of triangle ABC is equal to 50cm. The length of side AB is 2cm longer than the length of side BC, the length of side AC is two times the length of side BC. Find the sides of triangle ABC. 8,12,30 14,16,28 10,12,20 12,14,24

Q7: What is the value of: (a+b)(a-b) (a+c)(a-c) 𝕆 2ab

Q8: On the graph of y=3x+8 find a point whose x-coordinate is equal to its y-coordinate. (-2,-2) (-3,-3) (-4,-4) (4,4)

Q9: Jim is travelling from town A to town B by bicycle. The distance between the towns is 32km. After half an hour, the motorist started his journey from town B towards Jim and met him after another 30 minutes. The speed of the motorist is 28km/h more than that of the cyclists. Find their speeds. bicycle 14, motorist 42 bicycle 16, motorist 44 bicycle 12, motorist 40 bicycle 10, motorist 38

Q10: 7th Grade students made a snowman weighing 50kg and 8th Grade students made an exact replica of it, only twice as tall. How much does the 8th grade snowman weigh? 100kg 200kg 400kg 2500kg

Q11: How many roots does x² = x - 5 have? 1 2 3 𝕆

Q12: What's the value of n in the following equation: 8 9 10 20

Q13: What values of variable a would make the following equation an incomplete quadratic? a=1 a=2 a=-2 Empty Set

Q14: What does the graph of this equation look like? A parabola A hyperbola A line A hyperbola and a line

Q15: What is the solution of this equation? A line 2 lines a point a hyperbola

Q16: Simplify the following: -0.25 -2 2 -4

Q17: 45 lines are drawn connecting every point on the graph with every other point, with no 3 points lying on the same line. How many points are on the graph? 7 8 9 10

Q18: In the equilateral trapezoid ABCD, shown on the drawing, BH is the height, ∠ B is 135°, AH = 2.8cm, HD = 6.8cm. What is the area of this trapezoid? 18.29 cm² 17.28 cm² 19.04 cm² 15.26 cm²

Q19: Simplify: 2 1/93 28/93 1

Q20: Find the number of sides of a regular polygon where each angle is 135º. 6 7 8 9

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Grade 8 Assessment