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Questions in mathematics

📝 Answered - Solve by the quadratic formula. [tex]12 x^2-10 x-8=0[/tex]

📝 Answered - What is the solution to this inequality? [tex]x-7\ \textgreater \ -6[/tex] A. [tex]x\ \textless \ -13[/tex] B. [tex]x\ \textless \ 1[/tex] C. [tex]x\ \textgreater \ 1[/tex] D. [tex]x\ \textgreater \ -13[/tex]

📝 Answered - (d) [tex]x^{1 / 2}-4 x^{1 / 4}+3=0[/tex] [tex]x=[/tex]

📝 Answered - Find the slope of the line: [tex]2 y-x-3=0$[/tex]. a. [tex]-1 / 2$[/tex] b. -2 c. [tex]1 / 2$[/tex] d. 2

📝 Answered - Consider the numbers 1/2 and 9. Which of the following statements is completely true regarding the most specific classification of these two numbers? A. 1/2 is an irrational number and 9 is an integer. B. 1/2 is a natural number and 9 is a rational number. C. Both of these numbers are whole numbers. D. 1/2 is a rational number and 9 is a natural number. E. 1/2 is a whole number and 9 is an integer.

📝 Answered - - Find the slope and intercept of the best fit line, using =slope(distance, speed) and =intercept(distance, speed) - Write the equation of the line. - Fill in the predicted values. | speed $( m / s )$ | distance $( m )$ | |---|---| | 7 | 1.51 | | 11 | 1.31 | | 16 | 3.93 | | 15 | 4.33 | | 20 | 2.97 | | 25 | 7.00 | | | Intercept (b) | |---|---| | | Slope (m) | | | | | Equation | | | speed $( m / s )$ | distance $( m )$ | |---|---| | 3 | | | 6 | | | 9 | | | 12 | | | 15 | | | 18 | | | 21 | | | 24 | | | 27 | | | 30 | | | 33 | | Format to two decimal places.

📝 Answered - (b) Solve $2(\log _1 x-1)=\log _3 x$ and $y=\sqrt{x}+1$ simultaneously.

📝 Answered - Solve $2 x^2-3 x+4=0$ by applying the quadratic formula.

📝 Answered - A spherical balloon is being inflated. Find the rate of increase of the surface area [tex]$S=4 \pi R^2$[/tex] with respect to the radius [tex]$R$[/tex] when [tex]$R=4$[/tex] ft.

📝 Answered - Which equation represents a circle with a center at $(-3,-5)$ and a radius of 6 units? A. $(x-3)^2+(y-5)^2=6$ B. $(x-3)^2+(y-5)^2=36$ C. $(x+3)^2+(y+5)^2=6$ D. $(x+3)^2+(y+5)^2=36