New York City SHSAT 2017

POWERS AND ROOTS Multiplying and Dividing Powers To multiply powers with the same base, add the exponents and keep the same bas ...

Explanations to Exercises ...

Negative Exponent and Rational Exponent To find the value of a number raised to a negative exponent, simply rewrite the number ...

PRACTICE EXERCISE 1. Greek Poetry Passage Big Idea: What the poems of the ancient Greeks were like. Paragraph 2: Ancient Greek p ...

ABSOLUTE VALUE Determining Absolute Value The absolute value of a number is the distance of the number from zero on the number ...

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ALGEBRAIC EXPRESSIONS Evaluating an Expression To evaluate an algebraic expression, plug in the given values for the unknowns ...

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After multiplying two polynomials together, the number of terms in your expression before simplifying should equal the number of ...

Answers and Explanations ...

FACTORING ALGEBRAIC EXPRESSIONS Factoring out a Common Divisor A factor common to all terms of a polynomial can be factored ou ...

PRACTICE SET 1. O’Keeffe Passage B A Main Idea question. Looking at these choices in order, (A) is wrong because it’s simply nev ...

SOLVING EQUATIONS Solving a Linear Equation To solve an equation, do whatever is necessary to both sides to isolate the variab ...

D A Detail question. O’Keeffe’s “semi-abstract” style is discussed in the passage’s last two sentences. Don’t worry if the term ...

x + y = 3, multiply both sides of the second equation by −3 to get −3x − 3y = −9. Now add the two equations; the 3y and the −3y ...

Section 3 ...

FUNCTIONS Function Notation and Evaluation Standard function notation is written f(x) and read “f of 4.” To evaluate the funct ...

SHSAT MATH ...

COORDINATE GEOMETRY Finding the Distance Between Two Points To find the distance between points, use the Pythagorean theorem or ...

Chapter 7 ...