Q1 Grade 9 Removal Exam

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• irrational and equal

• rational and not equal

• rational and equal

• irrational and not equal

Which of the following quadratic equations will have (x-3)(x+2) = 0 as its factored form?

• x2 – 5x – 6 = 0

• x2 – x + 6 = 0

• x2 – x – 6 =0

• x2 + x – 6 = 0

Mrs. Jacinto asked a carpenter to construct a rectangular bulletin board for her classroom. She toldthe carpenter that the board’s area must be 18 ft.2 suppose the length of the board is 7 ft. longerthan its width. What mathematical statement would represent the area of the board?

Samson Electronics Company would like to come up with a LED TV such that its screen is 560 squareinches larger than the present ones. Suppose the length of the screen of the larger TV is 6 inches longerthan its width and the area of the smaller TV is 520 square inches. What is the length of the screen of thelarger LED TV?

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A quadratic equation in one variable is a mathematical sentence of degree

What is the standard form of a quadratic equation?

What is your most significant learning in Quadratic Equation?