Prepare for your Algebra 1 final exam with this study guide and practice questions. This covers linear equations, inequalities, systems of equations, functions, and graphing.
Q: Algebraic Expression
Answer: A mathematical sentence that includes at least one operation and a variable
Q: Variable
Answer: A letter used to represent one or more numbers
Q: Y-intercept
Answer: Where the line crosses the y axis
Q: X-intercept
Answer: The x-coordinate of a point where a graph crosses the x-axis
Q: Y=mx+b
Answer: Slope-intercept formula
Q: Solve using substitution: 3x+2y=8, y=4
Answer: (0,4)
Q: y-y1=m(x-x1)
Answer: Point-Slope Formula
Q: y2-y1/x2-x1
Answer: Slope Formula
Q: Find the slope: 16-8/6-2
Answer: M=2
Q: Parabola
Answer: A plane curve formed by the intersection of a right circular cone and a plane parallel to an element of the curve
Q: Number Line
Answer: A line for representing and graphing numbers. Each point on the line corresponds to a number
Q: Absolute Value
Answer: The distance a number is from zero on the number line
Q: Equivalent Equations
Answer: Having the same solution
Q: Solve the following equation: y-4=6(x-2)
Answer: y=6x-8
Q: Ratio
Answer: A comparison of two numbers by division
Q: Consecutive Integers
Answer: Integers in counting order
Q: What is the next number? 2,4,6…
Answer: 8
Q: Proportion
Answer: An equation stating that two rations are equal
Q: Perpendicular Lines
Answer: Lines that intersect at right angles
Q: Scatter Plot
Answer: A graph in which two sets of data are plotted as ordered pairs in a coordinate plane
Q: Positive Correlation
Answer: X and y both increase
Q: Negative Correlation
Answer: X and y both decrease
Q: No correlation
Answer: Not related
Q: System of Equations
Answer: A set of equations with the same variables
Q: Exponents
Answer: How many times the number is multiplied by itself
Q: Degree of a Monomial
Answer: The sum of the exponents of all its variables
Q: Degree of a Polynomial
Answer: The greatest degree of any term in the polynomial
Q: Prime Number
Answer: A number whose only factors are 1 and itself
Q: Which is a prime number? 5, 8, 12
Answer: 5
Q: Composite number
Answer: A whole number, greater than 1, that has more than two factors
Q: Which is a composite number? -4, 0, 4
Answer: 4
Q: Prime Polynomial
Answer: A polynomial that cannot be written as a product of two polynomials with integral coefficients
Q: Quadratic Equation
Answer: F(x)=ax^2+bx+c
Q: Vertex
Answer: The maximum or minimum point of a parabola
Q: Compound Interest Equation
Answer: A=P(1+r/n)^nt
Q: Radical Expression
Answer: An expression that contains a square root
Q: Radicand
Answer: The expression under the radical sign
Q: Simulation
Answer: Allows you to use objects to act out an event that would be difficult to perform
Q: Statistics
Answer: The practice or science of collecting and analyzing numerical data in large quantities, especially for the purpose of inferring proportions in a whole from those in a representative sample
Q: Geometry Practice: Point
Answer: The most basic building block of geometry
Q: Geometry Practice: Line
Answer: A straight, continuous arrangement of infinitely many points
Q: Geometry Practice: Plane
Answer: Has length and width but no thickness
Q: Geometry Practice: Collinear
Answer: On the same line
Q: Geometry Practice: Coplanar
Answer: On the same plane
Q: Geometry Practice: Line Segment
Answer: A part of a line with two endpoints
Q: Geometry Practice: Endpoints
Answer: Points on the ends of line segments
Q: Geometry Practice: Congruent Segments
Answer: Segments that have the same length
Q: Geometry Practice: Midpoint
Answer: The point on the segment that is the same distance from both endpoints
Q: Geometry Practice: Bisect
Answer: To divide a segment into two congruent segments
Q: Geometry Practice: Ray
Answer: A part of a line, with one endpoint, that continues without end in one direction