Evaluate the expression 3 + 4 x 5^1

26 - 4^2 ÷ 5^1

( 3^3 - 2^4 ) x 5

20 - ( 5 - 2)^2 + 2 x 3

How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?

The coordinates of vortex a’ are (8,4) (-4,2) (4,-,4) the coordinates of vortex b’ are (6,6)(12,-,12)(12,12) the coordinates of vortex c’ are(-2,,12)(4,12)(12,-4)

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (–4, 0) and (6, 0). the y-intercept of the first parabola is (0, –12). the y-intercept of the second parabola is (0, –24). what is the positive difference between the a values for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth