Algebra 1 Week in Review: Practice Test 2 Insights

What is the best method to check if two expressions are equivalent?

• Substitute values and compare results

• Use a calculator to solve both

• Graph both expressions and analyze

• Only factor both expressions

Which of the following is not a function?

• A straight line on a graph

• A relation where each x-value has multiple y-values

• A circle

• A parabola opening upwards

What type of function best models exponential growth?

• Quadratic function

• Linear function

• Exponential function

• Logarithmic function

How can you solve a quadratic equation?

• Factoring

• Graphing

• Using the quadratic formula

• All of the above

What is the most appropriate domain for a function representing weight?

• Integers only

• Positive rational numbers

• Positive integers only

• All real numbers

What does the vertex form of a quadratic function reveal?

• The y-intercept

• The maximum or minimum point

• The x-intercepts

• The direction of the parabola

How do you identify a piecewise function on a graph?

• By its symmetry

• By its intercepts

• By its discontinuities and different rules for different intervals

• By its continuous nature

What is the result of multiplying two square roots?

• A square root

• An integer

• A rational number

• An irrational number

What does the vertical line test determine?

• The symmetry of a graph

• The slope of a line

• If a graph is a function

• The x-intercepts of a function

How can you convert centimeters per day to inches per hour?

• It's not possible to convert

• Both A and B

• Divide by the number of hours in a day

• Multiply by the conversion factor from cm to inches