keria18
keria18
25-04-2018
Mathematics
contestada
what is the vertex of y=2x^2+4x+5
Respuesta :
Cowmilk
Cowmilk
25-04-2018
[tex] - \frac{b}{2a} = - \frac{4}{2} = - 2 \\ x = - 2 \\ \\ y = 2 {( - 2)}^{2} + 4( - 2) + 5 \\ 2(4) - 8 + 5 \\ 8 - 8 + 5 \\ y = 5 \\ \\ vertex = ( - 2 \: \: \: 8)[/tex]
(-2,8)
Answer Link
VER TODAS LAS RESPUESTAS ( 97+ )
Otras preguntas
In a triangle, the sides measure 3,5, and 7 what is the measure, in degrees of the largest angle?
Find the roots of the equation by completing the square: 3x^2-6x-2=0. Prove your answer by solving by the quadratic formula.
Help me please machiavellian 1. a hodge-podge of writings all mixed together 2. utterly revolting; appalling; extremely wicked/brutal/cruel 3. methodology of ga
use the intercepts to graph the equation 4x-2y=8 please help me solve and graph
Simplify by factoring. Assume that no radicands were formed by raising negative numbers to even powers. two questions below that i need help on[tex] \sqrt{148}
Simplify by factoring. Assume that no radicands were formed by raising negative numbers to even powers. two questions below that i need help on[tex] \sqrt{148}
Write the equation of the line that passes through the given point and is parallel to the given line. Write the answer in slope-intercept form P(-6,3), y + 3x =
someone know how to do this?: 6x2+18x=0
A triangle has two sides of lengths 7 and 12 what value could the third side be?
Solve the system.x – 2y = 103x + 2y = 14(Points : 5)(–8, 6)(–2, 6)(6, –8)(6, –2)
