Quadratic Equations

Given that 3x+5y=15, the y-intercept of the equation at...

• (0,3)

• (0,5)

• (3,0)

• (5,0)

A rectangular is 24 cm long and 17 cm wide. When its length decreases by x cm and its breadth increases by x cm, its area increases by 12 cm². Find the value of x!

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The minimum point of this graph is...

• (0,4)

• (0,-4)

• (-2,0)

• (2,0)

• TRUE

• FALSE

• x = 3

• x = 4

• x = 3 or x = -5

• x = 4 or x = -4

The turning point of y = (x-2)(x+5) is...

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• (3,2)

• (-3,2)

• (3,2)

• (-3,-2)

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The diagram shows the plan of a garden. It consists of a rectangular lawn measuring 2x m by x m, and two rectangular paths 1.5 m wide along the shorter sides. If the total area of the garden is 189 m². The length of the lawn is...m

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