Unit 3 (Math) Test Review

Answer the below question.

Which of the following expresses solutions to the equation Zx²+Qx+S=0?

If five coins are tossed, what is the probability that at least one of them is heads?

Which of these was a hint to 'test your own number'?

Answer the following question.

I am ready for the unit test.

According to this survey of 1,200 people, how many get their medical information from either a doctor or the internet?

Answer the following question

\sqrt{50}-\sqrt{100}is equivalent to which of the following?

Last general knowledge before practice problems: which of these categories is most heavily tested on the SAT?

Which of these equations would have solutions of 3 and -7?

Volume(sphere) is V = (4/3)πr³, where r is the radius. Which of these gives the radius of the sphere in terms of volume?

NO CALCULATOR ALLOWED

Which of these was a hint to 'test a provided point'?

Answer the following question

Which of these categories is only in the calculator section?

Which of these statements regarding this table would be accurate?

A circle in the xy-plane has center (5,7) and radius 2. Which is the equation for the circle?

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Which of these was a hint to use 'test the choices'?

Answer the following question.

How many liters of 25% saline solution must be added to 3 L of 10% saline to obtain a 15% saline solution?

Which of the following inequalities is the same as the inequality 6x-9y > 12?

For the solution (x,y) to the system below, what is the value of x-y?

NO CALCULATOR ALLOWED

How did 'heart of algebra' and 'passport to advanced math' questions differ?

CALCULATOR PERMITTED

NO CALCULATOR ALLOWED

Answer the following question.

If i² = -1 and if (1+2i) + (3+4i) = (a+bi), what is a+b?