Math by Kahoot! – Functions

Functions can be fun with these original curriculum-aligned games created in collaboration with math teachers and our partners. Graphs made with https://www.desmos.com

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Math 8: Identify Functions – MATH

Identify functions using sets of ordered pairs, tables, mappings, and graphs. Created in cooperation with Mathy Cathy!

  1. Which set of ordered pairs represents y as a function of x?
  2. … and 15 more awesome questions! Check them out by clicking “Play”.

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Math 8: Determine Slope and y-intercept from a Graph or Table – MATH

Use data from a table or graph to determine the rate of change or slope and y-intercept in mathematical and real-world problems. Created in cooperation with Mathy Cathy!

  1. The points in the table all lie on the same line. What is the slope of this line?
  2. The points in the table all lie on the same line. What is the y-intercept of this line?
  3. … and 10 more awesome questions! Check them out by clicking “Play”.

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Functions and Equations: Expressions – Exponents

#ExpressionsandEquations #6thgrade #math Write and #evaluate numerical #expressions involving #whole-number #exponents. Based on Common Core Standard #6.EE.A.1

Play 186 plays
  1. Write 6 x 6 x 6 x 6 using an exponent.
  2. Sue earned 8^3 dollars babysitting last week. How much money did she earn?
  3. Rewrite using an exponent.
  4. … and 4 more awesome questions! Check them out by clicking “Play”.

Kahoot! Math collection cover image. Image credits: Photo by Sergey Zolkin on Unsplash

Quadratics: Match quadratic functions and graphs

Identify quadratic functions from their graphs and find key features of their graphs (intercepts, #vertex, axis o symmetry, maximum value) from the equation. Based on Common core standard and TEKS Algebra I standard, grade 9

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  1. The graph of f(x) = −2x² + 4x − 1 is a parabola opening
  2. A quadratic function has a maximum value of 5. Which could be the equation of the function?
  3. What are the x-intercepts of the graph of f(x) = x² − 3x − 10?
  4. and 9 more awesome questions! Check them out by clicking “Play”.

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Using the discriminant: Solutions to quadratic equations

Understand how different values of the discriminant in the quadratic formula determine the number of real roots and whether they are irrational. Based on TEKS Algebra I standard 8a and high school Common Core standard, grade 9

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  1. Which expression is the discriminant of the equation ax² + bx + c = 0?
  2. What is the value of the discriminant in 3x² + 4x − 8 = 0?
  3. What does the discriminant of x² − 3x + 5 = 0 tell you about the roots of the equation?
  4. and 8 more awesome questions! Check them out by clicking “Play”.

Kahoot! Math collection cover image. Image credits: Photo by Oli Dale on Unsplash

Describe the transformations of a quadratic function

Determine the effect of translations, reflections, and dilations on quadratic functions and their graphs. Based on CommonCore standard and TEKS Algebra I standard 7C, grade 9

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  1. The graph of y = f (x) is translated 2 units up. What function represents the new graph?
  2. The graph of f (x)=x² is translated 2 units to the right. What is the vertex of the new graph?
  3. The graph of f (x)= 2x² is reflected over the x–axis. What is the new graph’s axis of symmetry?
  4. and 8 more awesome questions! Check them out by clicking “Play”.

Algebra: Systems of Linear and Quadratic Equations

Algebra: Systems of Linear and Quadratic Equations

#Algebra #grade9 #grade10 #grade11 #grade12 Solve systems consisting of a #linear and a #quadratic equation in two variables algebraically and graphically. Based on Common Core standard #A-REI.7. Play Challe

  1. How many solutions does the system graphed below have?
  2. How many solutions does the system shown below have?
  3. What are the solutions to the system graphed below?
  4. What are the solutions to the system shown below?
  5. What are the 𝒙-values of the solutions to the system shown below?
  6. … and 5 more awesome questions! Check them out by clicking “Play”.

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Solve a quadratic equation using the quadratic formula

Solve quadratic equations having real solutions by applying the quadratic formula. Based on TEKS Algebra I standard 8a and high school Common Core standard, grade 9

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  1. How should the equation −5x² = 6x − 1 be rewritten before applying the quadratic formula?
  2. and 8 more awesome questions! Check them out by clicking “Play”.

Kahoot! Math collection cover image. Image credits: Photo by Fleur Treurniet on Unsplash

Graph quadratic functions in vertex form

Identify quadratic functions in vertex form from their graphs and find key features of their graphs (intercepts, vertex, axis of symmetry) from the equation. Based on Common Core standard and TEKS AlgebraI standard, grade 9

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  1. What is the vertex of the graph of f(x) = 2(x + 3)² + 2?
  2. What is the y-intercept of the graph of f(x) = 2(x + 3)² + 2?
  3. What are the x-intercepts of the graph of f(x) = 2(x + 3)² + 2?
  4. and 8 more awesome questions! Check them out by clicking “Play”.

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Rational Functions: Asymptotes and Excluded Values

This kahoot analyzes rational functions and their graphs, identifying zeros and asymptotes when suitable factorizations are available. Based on high school CommonCore standard and on TEKS standards, Precalculus, grade 11

  1. What is the degree of the polynomial, 5𝒙⁴ + 𝒙² + 7?
  2. p(x) and q(x) are polynomials with no common factors. The number of vertical asymptotes of y is
  3. and 8 more awesome questions! Check them out by clicking “Play”.