1. which of the following are the roots of 2x² + 5x + –3 = 0?
a. – 1/2 and 3 c. 1/2 and – 3
b. – 3/2 and 1 d. 3/2 and – 1
2. which of the following quadratic equations is written in standard form?
a. 3x – 2x² = 7
b. – 2x² –7 = – 3x
c. – 2x – 7 + 3x = 0
d. – 2x² + 3x – 7 = 0
3. choose the standard form of
x² + 8x = 7x + 5.
a. x² – 15x + 5 = 0 c. x² + 15x + 5 = 0
b.x² + x + 5= 0 d. x² + x – 5 = 0
4. express 2x(x + 4) = (x – 1)² in standard form.
a. x² – 10x + 1 = 0 c. x² + 10x – 1 = 0
b. x² – 6x + 1 = 0 d. x² + 6x – 10 = 0
5. which of the following roots satisfy the quadratic equation x² + 3x = 4x + 2?
a. – 1 and 2 c. 1 and – 2
b. – 1 and – 2 d. 1 and 2
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Answer:
1.A
2.C
3.A
5.D
Step-by-step explanation:
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