A2H 4/14 Solving Quadratic Equations

¡Supera tus tareas y exámenes ahora con Quizwiz!

The table values for quadratic function h are shown. If 5 is a solution to h(x) = 0, What is the other solution.

-9

What are solutions to the (x + 4)² = 25?

-9 and 1

A golf ball with an initial velocity of 27 feet per second can be modeled using the equation h = -6t² + 27t, where t is the time in seconds and h is the height. If the height of the golf ball is 27 feet, how many seconds has it been in the air?

3

The total numbers of parking spaces in a garage can be modeled using the function p(f) =15f² +10f, where f represents the number of floors in the garage. If there are a total of 1040 parking spaces, how many floors are in the garage?

8

What is the positive solution to quadratic equation?

9

(2a - 5)(2a + 5)

Factor Completely

3x(x - 4) = 0

Factor Completely 3x² - 12x = 0

(x - 4)(x + 4)=0

Factor x² - 16 = 0

x=2, x=3

Find the solutions to the quadratic equation by FACTORING. 5x-6=x²

no real solutions

Find the solutions to the quadratic equation by graphing. -x²=8x+20

x=2

Find the solutions to the quadratic equation by graphing. x²-4x+4=0

no real solutions

For what values of x does y=0?

x=-1, x=1

For what values of x does y=0?

x=-2, x=2

For what values of x does y=0?

x=-3, x=1

For what values of x does y=0?

x=-4, x=0

For what values of x does y=0?

x=0

For what values of x does y=0?

x=0, x=4

For what values of x does y=0?

x=1

For what values of x does y=0?

x = -3/2, x = -1

Solve 2x² + 5x + 3 = 0

x = -4, x = 4

Solve x² - 16 = 0

x = 0, x = 4

Solve x² - 4x = 0

Solve 2x²+x+5=0 using the Quadratic Formula.

x=(-1±i√39) / 4

Solve 4x²+x+5=0 using the Quadratic Formula.

x=(-1±i√79) / 8

Solve 4x²+x+5=0 using the Quadratic Formula.

x=(-1±√-79) / 8

Solve 6x²+x-3=0 using the Quadratic Formula.

x=(-1±√73) / 12

Solve 2x²+6x-5=0 using the Quadratic Formula.

x=(-3±√19) / 2

Solve 2x²-3x+2=0 using the Quadratic Formula.

x=(3±i√7) / 4

Solve x²-3x-5=0 using the Quadratic Formula.

x=(3±√29) / 2

Solve 2x²-7x-1=0 using the Quadratic Formula.

x=(7±√57) / 4

Solve x²+2x+1=0

x=-1

Solve 2x²+8x+6=0

x=-1, x=-3

Solve x²+6x=-5

x=-1, x=-5

Solve 2x²+2x+7x+7=0

x=-1, x=-7/2

Solve x²-4x-5=0

x=-1, x=5

Solve x²-6x-7=0

x=-1, x=7

Solve x²-4=0

x=-2, x=2

Solve x²-x=6

x=-2. x=3

Solve 3x²-4x-4=0

x=-2/3, x=2

Solve x²+4x+2=0 using the Quadratic Formula.

x=-2±√2

Solve x²+6x=-9

x=-3

Solve x²+x=6

x=-3. x=2

Solve 3x²+12x-5x-20=0

x=-4, x=5/3

Solve 3x²+16x+5=0

x=-5, x=-1/3

Solve x²+8x+7=0

x=-7, x=-1

Solve x²-2x+1=0

x=1

Solve 2x²+3x-5=0 by Factoring or the quadratic formula.

x=1 or x=-2.5

Solve 2x²+3x-5=0 using the Quadratic Formula.

x=1 or x=-2.5

Solve 2x²+x-3=0

x=1, x=-3/2

Solve x²+4x=5

x=1, x=-5

Solve x²+6x-7=0

x=1, x=-7

Solve x²-5x=-6

x=2, x=3

Solve x²=6x-9

x=3

Solve x²-8x+16=0

x=4

Solve 3x²-12x+5x-20=0

x=4, x=-5/3

Solve 3x²-12x-5x+20=0

x=4, x=5/3

Solve x²-10x=-25

x=5

Solve 4x²-5=0 by using square roots or the Quadratic Formula.

x=±√5 / 2

The table values for quadratic function f are shown. If 9 is a solution to f(x) = 0, What is the other solution?

-7

What is one possible root of the quadratic function shown on the coordinate grid?

-4

What are the roots of the quadratic function graphed on the coordinate grid?

-4 and 8

What are the possible solutions to the (x +5)² = 49?

-12 and 2

What are the roots of the function x² - 169?

-13 and 13

What are the zeros of the function 2x² - 8x - 42?

-3 and 7

The total numbers of containers entering the Port of Houston can be modeled by the function t(s) = 23s² - 13s, where s represents the number of cargo ships. If there are a total of 2170 containers, how many cargo ships entered the port?

10

(3x + 2)(x - 1)

What are the factors of f(x) = 3x²-x-2 ?

(x - 9)(x - 4)

What are the factors of f(x) = x² - 13x + 36 ?

x = -2/3, x = 1

What are the x-intercepts of f(x) = 3x²-x-2 ?

x = 9, x = 4

What are the zeros of f(x) = x² - 13x + 36 ?

f(x)= x² + 7x + 6

Write the equation of the quadratic in standard form whose zeros are -6 and -1.

f(x)=(x+2)(x-4)

Write the equation of the quadratic whose x-intercepts are (-2,0) and (4,0).


Conjuntos de estudio relacionados

BOARD PRACTICE QUESTIONS - TEST 4

View Set

Care of Mother, Child and Adolescent

View Set

Psych Chapter 29 - Anxiety disorders

View Set