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A quadratic equation is an equation of the form , where are real numbers. What is the condition for ?

If an equation’s graph is symmetric about the y-axis, what happens to the equation if is replaced by

Two nonvertical lines are parallel if and only if:

Approximate each computation by replacing a decimal by a compatible decimal or fraction. Show your replacement and explain its advantage on your paper.  Type in the approximation. a)  0.35

Determine what number is represented by the base ten pieces below for each given unit. a) Small square represents one unit. [a] b) 1

Round each decimal to the given place value. a)  0.7382 (nearest thousandth) [a] b)  0.049 (nearest tenth) [b]

The ratio of minority students to non-minority students in a given school is 2 to 5. If the school has 420 students, how many are minorities? [a] minorities

The coupons offered by the department store said, “Take an additional 40% off the sale price. (Discount applied after any other discounts.)” Kerry bought a sweater from the 30% off clearance table that was originally priced at $80. What was Kerry’s final price for the sweater?

Draw sketches on your paper using the Fraction Bars model to illustrate each equation. On your paper, explain why the Fraction Bars answers are modeled this way. When finished, type in “Done”. a)   

Assuming that cooking time varies directly with weight, if a five-pound duck takes 2.25 hours to cook, how many hours to the nearest tenth are required to cook a six-pound duck? [a] hours