Mathematics Quiz

Factorise and solve: x² + 6x + 8 = 0

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CCSS.HSA-REI.B.4B

Factorise and solve: 2x² + 3x + 1 = 0

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CCSS.HSA-REI.B.4B

Factorise and solve: x² - 81 = 0

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CCSS.HSA-REI.B.4B

Rectangle A, (dimensions= (6)*(10-x)) has an area twice that of rectangle B (dimensions = (x)*(2x+1). Find the lengths and widths of both rectangles.

The area of the shape is 25cm², calculate the length of the longest side.

A rectangle has a length that is 5cm more than its width, w. The area of the rectangle is 20cm². Find the dimensions of the rectangle.

Solve using the formula. Answering to 2decimal points: 4x² - 7x + 3 = 0

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CCSS.HSA-REI.B.4B

Complete the square & solve. Answering to 3sf: x² + 30x + 90 = 0

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CCSS.HSA-REI.B.4B

Complete the square & solve. Answering to 2dp: 2x² + 4x - 5 = 0

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CCSS.HSA-REI.B.4B

Solve. Answering to 3sf: y(y + 3) = 88

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CCSS.HSA-REI.B.4B