Algebra 1 Terms

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Across
  1. 5. A fractional quantity written with a decimal point (like 0.5).
  2. 6. The set of inputs (x-coordinates) of a relation or function
  3. 7. A dilation by a positive number r about a point A is a transformation that moves each other point B along the ray from A that passes through B, and multiplies distances from A by r. A is called the center of the dilation.
  4. 9. The third quartile minus the first quartile.
  5. 10. A mathematical sentence that uses one of the symbols <, >, ≤, or ≥.
  6. 12. A sequence of numbers in which each number can be computed by adding the same amount to the previous number.
  7. 14. The distance between two quantities, or the answer to a subtraction problem
Down
  1. 1. A grid used to illustrate values of algebraic expressions
  2. 2. A mathematical sentence with an equals sign (like 3x+5=11).
  3. 3. The discriminant of the equation ax2+bx+c=0 is the quantity b2−4ac. A quadratic equation has two solutions if its discriminant is positive, one solution if its discriminant is zero, and no real solutions if its discriminant is negative
  4. 4. Two fractions are equivalent if they have the same numerical value. Two equations or inequalities are equivalent if they have the same solution set.
  5. 8. The bottom number or expression in a fraction.
  6. 11. A number that is raised to a power.
  7. 13. In a power, the number of times the base is multiplied by itself.
  8. 14. A collection of related measurements