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MATH SOLVE
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Directions: Write each quadratic equation in standard form, ax2+bx+c=0 then identify the values of a, b, and c. Answer the questions that follow. 1. 3x-2x2=7 6. x+7x-7=-3x 2. 5-2x2=6x 7. x-42+8=0 3. x+3x+4=0 8. x+22=3x+2 4. 2x+7x-1=0 9. 2x-12=x+12 5. 2xx-3=15 10. 2xx+4=x-3x-3 Questions: a. How did you write each quadratic equation in standard form? b. What mathematics concepts or principles did you apply to write each quadratic equation in standard form? Discuss how you applied these mathematics concepts or principles. c. Which quadratic equations did you find difficult to write in standard form? Why?
Algebra
2 months ago
A three-dimensional model of Lucia's apartment is How many BTUs are needed to cool Lucia's shown. To cool the whole apartment, an air conditioner apartment? must provide 2.5 BTUs per cubic foot. 19,600 BTUs 19,800 BTUs 20,400 BTUs 24,000 BTUs
Algebra
2 months ago
16. Which of the following diagram represents a relation that is not a function? a. One-to-one b. One-to-many c. Many-to-one d. None of the above 17. The altitude of a plane is a function of the times since take off. What is the dependent variable? a. Time b. Speed c. Altitude d, All of the above 18. To evaluate a function is to the variable in the function with a. omit a value from the function's domain and compute the result. b. simplify c. skip d. substitute 19. Given x=|x2-9| . Find 2. a. -5 b. -4 c. 4 d. 5 20. If hx=3x2+2x-1 , find h-1 a. -5 b. -3 c,O d. 3
Algebra
2 months ago
Tim drives at an average speed of 80 km per hour for 3 hours 45 minutes. Work out how many kilometres Tim drives.
Algebra
2 months ago
Rearrange the equation to isolate a. a+ b/c d-e=f
Algebra
2 months ago
1. Study the figures below.. Questions: a.Do the figures show a pattern? Describe it. b.Draw the next figure.
Algebra
2 months ago
Vhich is defined using the undefined terms point and line? angle circle parallel lines ray
Algebra
2 months ago
Which student solved the equation 107d=1,733.4 correctly? Gianna's work: 107d=1,733.4 1,733.4 * 107=185,473.8 Teddy's work: 107d=1,733.4 1,733.4-107=1,626.4 Sid's work: 107d=1,733.4 1,733.4+107=1,880.4 Sammi's work: 107d=1,733.4 1,733.4 / 107=16.2
Algebra
2 months ago
Let u= vector PQ be the directed line segment from P0,0 to Q9,12 , and let c be a scalar such that c<0 . Which statement best describes cu? The terminal point of vector cu lies in Quadrant I. The terminal point of vector cu lies in Quadrant III. The terminal point of vector cu lies in Quadrant II. The terminal point of vector cu lies in Quadrant IV.
Coordinate-geometry
2 months ago
Which three-dimensional figure has half the number of vertices as the rectangular prism? hexagonal prism rectangular pyramid triangular prism triangular pyramid
Algebra
2 months ago
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